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Popular >

factor 9a^2-b^2

Solution

factor

9 a^{2} - b^{2}

Solution

(3 a + b) (3 a - b)

Solution steps

9 a^{2} - b^{2}

Simplify

9 a^{2} : (3 a)^{2}

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

Apply Difference of Two Squares Formula:

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

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

= (3 a + b) (3 a - b)

Popular Examples

simplify 8*10^{-4}simplify

8 \cdot 1 0^{- 4}

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\frac{3 ^{10}}{3 ^{2}}

simplify 4^{-5}*4^5 simplify

4^{- 5} \cdot 4^{5}

∣ x - 5 ∣ + ∣ x + 3 ∣ = 10

c^{3} + 4 c > 5 c^{2}

Frequently Asked Questions (FAQ)

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