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Popular >

factor x^{18}-49

Solution

factor

x^{18} - 49

Solution

(x^{9} + 7) (x^{9} - 7)

Solution steps

x^{18} - 49

Apply exponent rules

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

Apply Difference of Two Squares Formula:

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

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

= (x^{9} + 7) (x^{9} - 7)

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Frequently Asked Questions (FAQ)

What is factor x^{18}-49 ?
The solution to factor x^{18}-49 is (x^9+7)(x^9-7)