One factor of x4 + x2 − 20 is x2 + 5. The other factor is(a) x2 − 4(b) x − 4(c) x2 − 5(d) x + 2

One factor of x4 + x2 − 20 is x2 + 5. The other factor is(a) x2 −

1.	One factor of x4 + x2 − 20 is x2 + 5. The other factor is(a) x2 − 4(b) x − 4(c) x2 − 5(d) x + 2
Answer» One factor of x⁴ + x² − 20 is x² + 5. The other factor is (a) x² − 4 (b) x − 4 (c) x² − 5 (d) x + 2