answer please,i need the answer quick please.
Maybe you want to factor this?
x2 - 16 This is a "difference of squares," so we can factor it like this...
= (x + 4)(x - 4)
Multiply binomials by polynomials
This is multiplying a binomial by a binomial to get a polynomial.
(3a2 - 1)(-3a2 + 5) Multiply each term in the first set of parenthesees by each term in
the second set of parenthesees and add these products together.
= (3a2)(-3a2) + (3a2)(5) + (-1)(-3a2) + (-1)(5)
= -9a4 + 15a2 + 3a2 + -5
= -9a4 + 18a2 - 5