Special Products

What is the product of $$\left(4r-5s\right)$$ and $$\left(4r+5s\right)$$ ?

Which of the following expressions is a Perfect Square Trinomial?

What is the numerical coefficient of p³ on the product of given by the expression $$\left(p^2-2p+5\right)^2$$ ?

Which of the following expressions gives a special product of $$16m^2-36$$ ?

Determine the numerical coefficient of $$u$$ with the given product of $$\left(3u+5\right)^3$$ .

What is the value of k in the expression $$\left(3x-10\right)^2=9x^2+kx+100$$ ?

What is $$a+b$$ when $$\left(ay+b\right)^3=8y^3-72y^2+216y-216$$ ?

How many terms is the expanded form of $$\left(a+b\right)^7$$ have?

What is the numerical coefficient of $$x^4$$ of the expanded form of $$\left(2x^2-3\right)^4$$ ?

What is the sum of the numerical coefficients of the expanded form of $$\left(y-3\right)^5$$ ?