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Popular >

factor 7x^2+21

Solution

factor

7 x^{2} + 21

Solution

7 (x^{2} + 3)

Solution steps

7 x^{2} + 21

Rewrite

21

as

7 \cdot 3

= 7 x^{2} + 7 \cdot 3

Factor out common term

7

= 7 (x^{2} + 3)

Popular Examples

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(7 x - 3)^{2}

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4 x - 262 x + 70

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\frac{2 x + 5}{6 x} - \frac{x + 6}{4 x ^{2}}

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4 x - 6

\frac{8}{3} \div 2

Frequently Asked Questions (FAQ)

What is factor 7x^2+21 ?
The solution to factor 7x^2+21 is 7(x^2+3)