All equations of the khung ax^2+bx+c=0 can be solved using the quadratic formula: frac-b±sqrtb^2-4ac2a. The quadratic formula gives two solutions, one when ± is addition and one when it is subtraction.

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This equation is in standard form: ax^2+bx+c=0. Substitute -3 for a, 7 for b, and -1 for c in the quadratic formula, frac-b±sqrtb^2-4ac2a.

3x2+7x-1=0 Two solutions were found : x =(-7-√61)/6=-2.468 x =(-7+√61)/6= 0.135 Step by step solution : Step 1 :Equation at the kết thúc of step 1 : (3x2 + 7x) - 1 = 0 Step 2 :Trying to lớn ...
3x2+7x-10=0 Two solutions were found : x = -10/3 = -3.333 x = 1 Step by step solution : Step 1 :Equation at the over of step 1 : (3x2 + 7x) - 10 = 0 Step 2 :Trying lớn factor by splitting ...
displaystylex=left(frac-7+sqrt2056 ight.anddisplaystyleleft(x=frac-7-sqrt2056 ight. Explanation:This is a quadratic equation with respect ...
3x2+7x-18=0 Two solutions were found : x =(-7-√265)/6=-3.880 x =(-7+√265)/6= 1.546 Step by step solution : Step 1 :Equation at the end of step 1 : (3x2 + 7x) - 18 = 0 Step 2 :Trying lớn ...
-3x2+5x-1=0 Two solutions were found : x =(-5-√13)/-6= 1.434 x =(-5+√13)/-6= 0.232 Step by step solution : Step 1 :Equation at the end of step 1 : ((0 - 3x2) + 5x) - 1 = 0 Step 2 : Step ...
How vì chưng you find the discriminant và how many solutions does displaystyle-3x^2+7x-2=0 have?
https://socratic.org/questions/how-do-you-find-the-discriminant-and-how-many-solutions-does-3x-2-7x-2-0-have
Nghi N. May 9, 2015 f(x) - 7x^2 + 7x - 2 = 0D = d^2 = b^2 - 4ac = 49 - 24 = 25.-> d = +-5There are 2 solutions (real roots) displaystylex1=frac76+frac5-6=frac26=frac13 ...
d = +-5There are 2 solutions (real roots) x, 1, equals, start fraction, 7, divided by, 6, end fraction, plus, start fraction, 5, divided by, minus, 6, kết thúc fraction, equals, start fraction, 2, divided by, 6, kết thúc fraction, equals, start fraction, 1, divided by, 3, end fraction ..." role="text" class="MathExpression_mathExpression__22QI1 ">
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All equations of the form ax^2+bx+c=0 can be solved using the quadratic formula: frac-b±sqrtb^2-4ac2a. The quadratic formula gives two solutions, one when ± is addition & one when it is subtraction.
This equation is in standard form: ax^2+bx+c=0. Substitute -3 for a, 7 for b, and -1 for c in the quadratic formula, frac-b±sqrtb^2-4ac2a.
Quadratic equations such as this one can be solved by completing the square. In order khổng lồ complete the square, the equation must first be in the khung x^2+bx=c.

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Divide -frac73, the coefficient of the x term, by 2 to lớn get -frac76. Then địa chỉ the square of -frac76 lớn both sides of the equation. This step makes the left hand side of the equation a perfect square.