Question

4y4 – 5y2 – 9 = 0.
how do you solve this question

Answer 1

-3/2 or 3/2

Explanation:

Step 1: Factor left side of equation.

(y2+1)(2y+3)(2y−3)=0

Step 2: Set factors equal to 0.

y2+1=0 or 2y+3=0 or 2y−3=0