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Popular >

simplify (2x+1)^3-8

Solution

simplify

(2 x + 1)^{3} - 8

Solution

8 x^{3} + 12 x^{2} + 6 x - 7

Solution steps

(2 x + 1)^{3} - 8

Expand

(2 x + 1)^{3} : 8 x^{3} + 12 x^{2} + 6 x + 1

= 8 x^{3} + 12 x^{2} + 6 x + 1 - 8

Subtract the numbers:

1 - 8 = - 7

= 8 x^{3} + 12 x^{2} + 6 x - 7

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Frequently Asked Questions (FAQ)

What is (2x+1)^3-8 ?
The solution to (2x+1)^3-8 is 8x^3+12x^2+6x-7