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Popular >

simplify (x+7)^3-8

Solution

simplify

(x + 7)^{3} - 8

Solution

x^{3} + 21 x^{2} + 147 x + 335

Solution steps

(x + 7)^{3} - 8

Expand

(x + 7)^{3} : x^{3} + 21 x^{2} + 147 x + 343

= x^{3} + 21 x^{2} + 147 x + 343 - 8

Subtract the numbers:

343 - 8 = 335

= x^{3} + 21 x^{2} + 147 x + 335

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Frequently Asked Questions (FAQ)

What is (x+7)^3-8 ?
The solution to (x+7)^3-8 is x^3+21x^2+147x+335