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Earn +20 ptsQ: Solve by Completing The Square y equals x2 plus 6x-7?
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Continue Learning about Calculus
What is the fifth step in solving the equation by completing the square 5x2-12x plus 4 equals 0?
x = 2 or x = 2/5
Explain how to solve x2 plus 8x -2 equals 0 by completing a square?
x2 + 8x - 2 = 0 => x2 + 8x = 2 => x2 + 8x + 16 = 2 + 16 = 18 => (x + 4)2 = 18 => x + 4 = +or- sqrt(18) = +or- 3*sqrt(2) so x = -4 +or- 3*sqrt(2)
How do you solve y equals 7 plus x?
y=7+x =x=7-x
How do you solve x plus 2 equals -4x plus 7?
Add 4x - 2 to each side: 5x = 5 x = 1
How do you solve 2x plus 3y equals 6?
by not concentrating on picking your nose when you are in class all day long
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