Question

The factorization of -x2+ 7x - 12 yields
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Answer 1

Answer:

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$- {x}^{2} + 7x - 12 = 0 \\ - {x}^{2} + 4x + 3x - 12 = 0 \\ - x(x - 4) + 3(x - 4) = 0 \\ (x - 4)( - x + 3) = 0$

So x= 4 or 3

Answer 2

Step-by-step explanation:

(-x²+7x-12) multiply equation by -.

x²-7x+12=0

x²-4x-3x+12=0

x(x-4)-3(x-4)=0

(x-4)(x-3)=0

x=4

x=3