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Popular >

factor 9a^2-49

Solution

factor

9 a^{2} - 49

Solution

(3 a + 7) (3 a - 7)

Solution steps

9 a^{2} - 49

Apply exponent rules

= (3 a)^{2} - 7^{2}

Apply Difference of Two Squares Formula:

x^{2} - y^{2} = (x + y) (x - y)

(3 a)^{2} - 7^{2} = (3 a + 7) (3 a - 7)

= (3 a + 7) (3 a - 7)

Popular Examples

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1 + x^{4} + 2 x^{2}

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\frac{5}{4} - \frac{6}{5}

Frequently Asked Questions (FAQ)

What is factor 9a^2-49 ?
The solution to factor 9a^2-49 is (3a+7)(3a-7)