How do you simplify: #4(x -1)^2 -3 (x+4)#?

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How do you simplify: #4(x -1)^2 -3 (x+4)#?

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Answer 1 · 2018-03-03T14:42:47

#4x^2-11x-8#

Explanation:

We know that,
#color(Blue)((A-B)^2=A^2-2AB+B^2)#
So,#(x-1)^2=x^2-2x+1#
Now,
#4(x-1)^2-3(x+4)=4(x^2-2x+1)-3(x)-3(4)#
#=4(x^2)+4(-2x)+4(1)-3x-12#
#=4x^2-8x+4-3x-12#
#=4x^2-8x-3x+4-12#
#=4x^2-11x-8#

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How do you simplify: #4(x -1)^2 -3 (x+4)#?

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