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Popular >

simplify (x+1)^2-81

Solution

simplify

(x + 1)^{2} - 81

Solution

x^{2} + 2 x - 80

Solution steps

(x + 1)^{2} - 81

Expand

(x + 1)^{2} : x^{2} + 2 x + 1

= x^{2} + 2 x + 1 - 81

Subtract the numbers:

1 - 81 = - 80

= x^{2} + 2 x - 80

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Frequently Asked Questions (FAQ)

What is (x+1)^2-81 ?
The solution to (x+1)^2-81 is x^2+2x-80