Factor completely.
-$10 x^{4}+21 x^{2}+9$
A) $\left(2 x^{2}+1\right)\left(5 x^{2}+9\right)$
B) $\left(10 x^{2}+3\right)\left(x^{2}+3\right)$
C) $\left(2 x^{2}+3\right)\left(5 x^{2}+3\right)$
D) $\left(5 x^{2}-3\right)\left(2 x^{2}-3\right)$

Question

Quizplus · Accepted Answer

The Answer of Factor completely.
-$10 x^{4}+21 x^{2}+9$
A) $\left(2 x^{2}+1\right)\left(5 x^{2}+9\right)$
B) $\left(10 x^{2}+3\right)\left(x^{2}+3\right)$
C) $\left(2 x^{2}+3\right)\left(5 x^{2}+3\right)$
D) $\left(5 x^{2}-3\right)\left(2 x^{2}-3\right)$

Factor Completely 10x4+21x2+910 x^{4}+21 x^{2}+910x4+21x2+9 A) (2x2+1)(5x2+9)\left(2 x^{2}+1\right)\left(5 x^{2}+9\right)(2x2+1)(5x2+9) B) (10x2+3)(x2+3)\left(10 x^{2}+3\right)\left(x^{2}+3\right)(10x2+3)(x2+3) C) (2x2+3)(5x2+3)\left(2 x^{2}+3\right)\left(5 x^{2}+3\right)(2x2+3)(5x2+3)

Factor Completely $10 x^{4}+21 x^{2}+9$ A) $\left(2 x^{2}+1\right)\left(5 x^{2}+9\right)$ B) $\left(10 x^{2}+3\right)\left(x^{2}+3\right)$ C) $\left(2 x^{2}+3\right)\left(5 x^{2}+3\right)$