What is the standard form of $y=(2x+2)(-2x-3) +5x^2-8x$ ?

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Answer 1 · 2017-01-30T14:46:51

$y=x^2-18x-6$

$y=(2x+2)(-2x-3)+5x^2-8x$

$:.y=-4x^2-4x-6x-6+5x^2-8x$

$:.y=x^2-18x-6$

What is the standard form of y=(2x+2)(-2x-3) +5x^2-8xy=(2x+2)(-2x-3) +5x^2-8x?