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Popular >

factor-4r^4-8r

Solution

factor

- 4 r^{4} - 8 r

Solution

- 4 r (r^{3} + 2)

Solution steps

- 4 r^{4} - 8 r

Apply exponent rule:

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

r^{4} = r^{3} r

= - 4 r^{3} r - 8 r

Rewrite

- 8

as

- 4 \cdot 2

= - 4 r^{3} r - 4 \cdot 2 r

Factor out common term

- 4 r

= - 4 r (r^{3} + 2)

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Frequently Asked Questions (FAQ)

What is factor-4r^4-8r ?
The solution to factor-4r^4-8r is -4r(r^3+2)