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Popular >

Factor 49b^2-81

Solution

factor

49 b^{2} - 81

Solution

(7 b + 9) (7 b - 9)

Solution steps

49 b^{2} - 81

Apply exponent rules

= (7 b)^{2} - 9^{2}

Apply Difference of Two Squares Formula:

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

(7 b)^{2} - 9^{2} = (7 b + 9) (7 b - 9)

= (7 b + 9) (7 b - 9)

Popular Examples

Combine 10+4(-8q-4)join

10 + 4 (- 8 q - 4)

Simplify x^(1/6)*x^(1/3)simplify

x^{\frac{1}{6}} \cdot x^{\frac{1}{3}}

Solve for x 6x(x^2+4x-2)-2x(3x^2+8)=8x(3x-4)-4(3x-8)solve for

x, 6 x (x^{2} + 4 x - 2) - 2 x (3 x^{2} + 8) = 8 x (3 x - 4) - 4 (3 x - 8)

Simplify (2x^4)^5 simplify

(2 x^{4})^{5}

Solve for r v=4/3pir^3 solve for

r, v = \frac{4}{3} p i r^{3}

Frequently Asked Questions (FAQ)

What is factor 49b^2-81 ?
The solution to factor 49b^2-81 is (7b+9)(7b-9)