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Popular >

simplify (x+2)^2-5(x-1)

Solution

simplify

(x + 2)^{2} - 5 (x - 1)

Solution

x^{2} - x + 9

Solution steps

(x + 2)^{2} - 5 (x - 1)

Expand

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

= x^{2} + 4 x + 4 - 5 (x - 1)

Expand

- 5 (x - 1) : - 5 x + 5

= x^{2} + 4 x + 4 - 5 x + 5

Group like terms

= x^{2} + 4 x - 5 x + 4 + 5

Add similar elements:

4 x - 5 x = - x

= x^{2} - x + 4 + 5

Add the numbers:

4 + 5 = 9

= x^{2} - x + 9

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\frac{- 45}{- 5}

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simplify-(-2.1f-10g)+8.8 simplify

- (- 2.1 f - 10 g) + 8.8

\frac{4}{5} \div 6

Frequently Asked Questions (FAQ)

What is (x+2)^2-5(x-1) ?
The solution to (x+2)^2-5(x-1) is x^2-x+9