Question

achieve 4 x2 - 12x -16 = 0 using the square fill method ?

Answer 1

-8/12=x

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Answer 2

Answer:

4x²-12x-16=0

4x²-(16-4)x-16=0

4x²-16x+4x-16=0

4x(x-4)+4(x-4)=0

(4x+4)(x-4) =0

:.4x+4=0 :.x-4=0

x=-4/4 x=4

x=-1

hope it's help