Question 505365
Factor by grouping:
{{{5x^3+4x^2-10x-8}}} Group as shown:
{{{highlight(5x^3+4x^2)-highlight((10x+8))}}} Factor as shown:
{{{x^2*highlight_green((5x+4))-2*highlight_green((5x+4))}}} Now factor the {{{highlight_green(5x+4)}}}
{{{highlight((x^2-2)(5x+4))}}} You can check the answer by multiplying the two factors.