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Popular >

simplify (x^2-9)^2-9

Solution

simplify

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

Solution

x^{4} - 18 x^{2} + 72

Solution steps

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

Expand

(x^{2} - 9)^{2} : x^{4} - 18 x^{2} + 81

= x^{4} - 18 x^{2} + 81 - 9

Subtract the numbers:

81 - 9 = 72

= x^{4} - 18 x^{2} + 72

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Frequently Asked Questions (FAQ)

What is (x^2-9)^2-9 ?
The solution to (x^2-9)^2-9 is x^4-18x^2+72