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Popular >

simplify 4-(x-2)^2

Solution

simplify

4 - (x - 2)^{2}

Solution

- x^{2} + 4 x

Solution steps

4 - (x - 2)^{2}

Expand

- (x - 2)^{2} : - x^{2} + 4 x - 4

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

Group like terms

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

Subtract the numbers:

4 - 4 = 0

= - x^{2} + 4 x

Popular Examples

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\frac{2}{11} + \frac{5}{11}

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(2 z^{3} - 5 x^{6})^{2}

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factor b^4+b^2+1 factor

b^{4} + b^{2} + 1

Frequently Asked Questions (FAQ)

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