Question

Simplify
(2y^2+9) (2y^2+5)​

Answer 1

Step-by-step explanation:

(2y^2+9)(2y^2+5)

=2y^2(2y^2+5)+9(2y^2+5)

=4y^4+10y^2+18y^2+45

=4y^4+28y^2+45

Answer 2

Answer:

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