Question

Expand.
Your answer should be a polynomial in standard form.
(3a^2 – 1)(-3a² + 5) =

Answer 1

Answer:-9a^4+18a^2-5

(3a

2

−1)(−3a

2

+5)

=3a

2

(−3a

2

+5)−1(−3a

2

+5)

​

​

=−9a

4

+15a

2

+3a

2

−5

=−9a

4

+18a

2

−5

​