Write -2x^2 (-5x^2 + 4x^3) in standard form

-2x·-2x·(-5x·-5x+4x·4x·4x) Basically, you write out the number depending on the exponent. So if you have a power/exponent of 3, you write it out multiplied by itself 3 times. Hope this helps!

Polar coordinates is 8,9