How do you factor $3x^2+21x^4$ ?

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Answer 1 · 2018-04-30T00:49:30

$3x^2(1+7x^2)$

Factorising means you take out all the common numbers and symbols

$3x^2+21x^4$ = $3x^2(1+7x^2)$

Answer 2 · 2018-04-30T01:14:14

$3x^2(1+7x^2)$

The GCF of the two terms is $3x^2$

Use the distributive property:

$3x^2(1+7x^2)$

The expression cannot be factored out anymore.

How do you factor 3x^2+21x^43x^2+21x^4?