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.