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Popular >

factor 21x^4+70x

Solution

factor

21 x^{4} + 70 x

Solution

7 x (3 x^{3} + 10)

Solution steps

21 x^{4} + 70 x

Apply exponent rule:

a^{b + c} = a^{b} a^{c}

x^{4} = x^{3} x

= 21 x^{3} x + 70 x

Rewrite

21

as

7 \cdot 3

Rewrite

70

as

7 \cdot 10

= 7 \cdot 3 x^{3} x + 7 \cdot 10 x

Factor out common term

7 x

= 7 x (3 x^{3} + 10)

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Frequently Asked Questions (FAQ)

What is factor 21x^4+70x ?
The solution to factor 21x^4+70x is 7x(3x^3+10)