Question 1004613
{{{5x^2-15x-200}}}

{{{5(x^2-3x-40)}}}

{{{5(x^2+5x-8x-40)}}}

{{{5((x^2+5x)-(8x+40))}}}

{{{5(x(x+5)-8(x+5))}}}

{{{5(x+5)(x-8)}}}


check:

{{{5(x+5)(x-8)}}}

{{{(5x+25)(x-8)}}}

{{{5x^2+25x-40x-200}}}

{{{5x^2-15x-200}}}