Question

solve by using identify (2a²+9)(2a²+5)​

Answer 1

Answer:

(2a²)² + (5+9)2a² + 9× 5

=4a⁴+28a²+45

Answer 2

Step-by-step explanation:

$(2a {}^{4} + 9)(2a {}^{2} + 5) \\ \\ 4a {}^{4} + 10a {}^{2} + 18a {}^{2} + 45 \\ \\ 4a {}^{4} + 28a {}^{2} + 45$

I hope it helps you...........