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Popular >

factor 9r^2-25

Solution

factor

9 r^{2} - 25

Solution

(3 r + 5) (3 r - 5)

Solution steps

9 r^{2} - 25

Apply exponent rules

= (3 r)^{2} - 5^{2}

Apply Difference of Two Squares Formula:

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

(3 r)^{2} - 5^{2} = (3 r + 5) (3 r - 5)

= (3 r + 5) (3 r - 5)

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(x + 8) (x + 1) = 0

Frequently Asked Questions (FAQ)

What is factor 9r^2-25 ?
The solution to factor 9r^2-25 is (3r+5)(3r-5)