Question

45x squared OVER x minus 9
Times
X squared minus 5x minus 36 OVER 3x to the 3rd power Plus 12x squared.

Multiplying Rational Expressions.

Answer 1

45x² · x² - 5x - 36 = 45x²(x² - 5x - 36) = 45x⁴ - 225x³ - 1620x² =   
x - 9    x³ + 12x²       (x - 9)(x³ + 12x²)          x⁴ + 3x³ - 108x²
45 with a remainder of  -360x³ + 3240x²