91Ó°ÊÓ

In the following exercises, find the product of${\left(m^3-8n\right)}^2$.

In the following exercises, find the product of ${\left(9p+8q\right)}^2$.

In the following exercises, find the product of $\left(r^2 − s^3\right)\left(r^3 + s^2\right)$ .

In the following exercises . Simplify the expression$(10y−6)+(4y−7)$.

In the following exercises . Simplify the expression$(15p−4)+(3p−5)$.

In the following exercises . Simplify the expression$(x^2−4x−34)−(x^2+7x−6)$.

In the following exercises , simplify the expression$(j^2−8j−27)−(j^2+2j−12)$.

In the following exercises, add or subtract the monomials.

$2a^2+b^2-6a^2+x^{2}y-3x+7x{y}^2$

In the following exercises , simplify the expression $\left(\frac{1}{5}{f}^8\right)\left(20 f^3\right) $.

In the following exercises , simplify the expression $\left(\frac{1}{4}{d}^5\right)\left(36d^2\right)$.