How do you simplify #8( x + 1)^{2} - 2( x + 1) - 10#?

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Answer 1 · 2017-04-13T03:37:58

#4x^2+7x-2=(4x-1)(x+2)#

#8 (x+1)^2 - 2 (x+1) - 10#

#8(x^2+1+2x) - 2x - 12#

#8x^2 + 8 + 16x - 2x -12#

#8x^2+14x-4#

(÷ by 2)

#4x^2+7x-2#

On factorization we get,
#(4x-1)(x+2)#