what is the answer to this question?

Answer:
5[tex]x3[/tex] -37[tex]x2[/tex]+112x-30
Step-by-step explanation:
First, you find the area of the non-shaded square:
3x(2x-1)=not shaded area
If you expand and simplify:
60[tex]x2[/tex]-150x = Not shaded area.
Then you find the area of the entire square (including the non-shaded area:
(5x+3)([tex]x2[/tex]+4x-10) = Entire square
if you expand and simplify:
5x^3+23x^2-38x-30 = entire square
Now:
entire square - non-shaded area = answer
=(5x^3+23x^2-38x-30) - (60[tex]x2[/tex] - 150x)
=5x^3+23x^2-38x-30 - 60[tex]x2[/tex] + 150x
=5x^3 -37[tex]x2[/tex]+112x-30