SOLUTION: Factor Completely. Note: Can be worked without expanding. {{{ (x+1)^3*(4x-9)-(16x+9)*(x+1)^2 }}}
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-> SOLUTION: Factor Completely. Note: Can be worked without expanding. {{{ (x+1)^3*(4x-9)-(16x+9)*(x+1)^2 }}}
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Question 94640
:
Factor Completely. Note: Can be worked without expanding.
Answer by
stanbon(75887)
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(x+1)^3*(4x-9)-(16x+9)*(x+1)^2
Common factor: (x+1)^2
=[x+1]^2[(x+1)(4x-9)-(16x+9)
=[x+1]^2[4x^2-5x-9-16x-9]
=[x+1]^2[4x^2-21x-18]
=[x+1]^2[4x+3][x-6]
==========================
Cheers,
Stan H.