Question 857255
The area of a triangle is {{{A=(1/2)bh}}}.
{{{(1/2)b(x+8)=4x^2+35x+24}}}
{{{b(x+8)=2(4x^2+35x+24)}}}
You can factor the right hand side,
{{{b(x+8)=2(4x+3)(x+8))}}}
{{{b=2(4x+3))}}}