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Popular >

factor 4m^2-81

Solution

factor

4 m^{2} - 81

Solution

(2 m + 9) (2 m - 9)

Solution steps

4 m^{2} - 81

Apply exponent rules

= (2 m)^{2} - 9^{2}

Apply Difference of Two Squares Formula:

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

(2 m)^{2} - 9^{2} = (2 m + 9) (2 m - 9)

= (2 m + 9) (2 m - 9)

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Frequently Asked Questions (FAQ)

What is factor 4m^2-81 ?
The solution to factor 4m^2-81 is (2m+9)(2m-9)