Question

Solve 4x^4+7x^2-2=0
Choose the factored form of the polynomial expression

Answer 1

Explanation:

4x⁴ + 7x² − 2 = 0

(4x² − 1) (x² + 2) = 0

(2x − 1) (2x + 1) (x² + 2) = 0

x = ±½, ±i√2