math

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Scooby Scooby
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math

Solve: −6=4x−2x^2
McGenius McGenius
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Re: math

-6 = 4x - 2x²
2x² - 4x - 6 = 0   added 2x² and subtracted 4x
2(x² - x - 3) = 0   factored 2 out
2(x -3)(x + 1) = 0   factored into two binomials
(x - 3)(x + 1) = 0   divided each side by 2
x - 3 = 0   or  x + 1 = 0   set each factor equal to zero
x = 3   or   x = -1   solved each for x

*McGenius*