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Popular >

factor 81-64z^2

Solution

factor

81 - 64 z^{2}

Solution

(9 + 8 z) (9 - 8 z)

Solution steps

81 - 64 z^{2}

Apply exponent rules

= 9^{2} - (8 z)^{2}

Apply Difference of Two Squares Formula:

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

9^{2} - (8 z)^{2} = (9 + 8 z) (9 - 8 z)

= (9 + 8 z) (9 - 8 z)

Popular Examples

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factor-x^2+7x-10 factor

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Frequently Asked Questions (FAQ)

What is factor 81-64z^2 ?
The solution to factor 81-64z^2 is (9+8z)(9-8z)