What is x^2+2x+2x+4-10x+20-3 ?

The solution to x^2+2x+2x+4-10x+20-3 is x^2-6x+21

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simplify x^2+2x+2x+4-10x+20-3

simplify

x^{2} + 2 x + 2 x + 4 - 10 x + 20 - 3

x^{2} - 6 x + 21

Solution steps

x^{2} + 2 x + 2 x + 4 - 10 x + 20 - 3

Group like terms

= x^{2} + 2 x + 2 x - 10 x + 4 + 20 - 3

Add similar elements:

2 x + 2 x - 10 x = - 6 x

= x^{2} - 6 x + 4 + 20 - 3

Add the numbers:

4 + 20 - 3 = 21

= x^{2} - 6 x + 21

\frac{1 + 2 i}{3 - 2 i}

\frac{12 160}{2 5}

- 3 (w + 6) + 2 w

45 + 35

\frac{4}{5} \div \frac{4}{5}

What is x^2+2x+2x+4-10x+20-3 ?
The solution to x^2+2x+2x+4-10x+20-3 is x^2-6x+21