What is 9x^2+12x+4-2(x^2-2x+1) ?

The solution to 9x^2+12x+4-2(x^2-2x+1) is 7x^2+16x+2

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simplify 9x^2+12x+4-2(x^2-2x+1)

simplify

9 x^{2} + 12 x + 4 - 2 (x^{2} - 2 x + 1)

7 x^{2} + 16 x + 2

Solution steps

9 x^{2} + 12 x + 4 - 2 (x^{2} - 2 x + 1)

Expand

- 2 (x^{2} - 2 x + 1) : - 2 x^{2} + 4 x - 2

= 9 x^{2} + 12 x + 4 - 2 x^{2} + 4 x - 2

Group like terms

= 9 x^{2} - 2 x^{2} + 12 x + 4 x + 4 - 2

Add similar elements:

9 x^{2} - 2 x^{2} = 7 x^{2}

= 7 x^{2} + 12 x + 4 x + 4 - 2

Add similar elements:

12 x + 4 x = 16 x

= 7 x^{2} + 16 x + 4 - 2

Subtract the numbers:

4 - 2 = 2

= 7 x^{2} + 16 x + 2

\frac{( x ^{2} ) ^{3} ( x ^{2} ) ^{3} ( x ^{4} ) ^{- 1}}{2}

x ∣ 57911 y ∣ - 8 - 2410

f (x) \cdot x^{3} - 3 x + 2

- 2 (x + 1) \cdot (2 - x)

625 \times (- 35) + 625 \times (- 65)

What is 9x^2+12x+4-2(x^2-2x+1) ?
The solution to 9x^2+12x+4-2(x^2-2x+1) is 7x^2+16x+2