What is 4x^2+4-5x+x-2x^2+8 ?

The solution to 4x^2+4-5x+x-2x^2+8 is 2x^2-4x+12

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simplify 4x^2+4-5x+x-2x^2+8

simplify

4 x^{2} + 4 - 5 x + x - 2 x^{2} + 8

2 x^{2} - 4 x + 12

Solution steps

4 x^{2} + 4 - 5 x + x - 2 x^{2} + 8

Add similar elements:

- 5 x + x = - 4 x

= 4 x^{2} + 4 - 4 x - 2 x^{2} + 8

Group like terms

= 4 x^{2} - 2 x^{2} - 4 x + 4 + 8

Add similar elements:

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

= 2 x^{2} - 4 x + 4 + 8

Add the numbers:

4 + 8 = 12

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

23 \cdot 35

(x - 1) (x - 9)

(a + b + c + d) (a + b - c - d)

\frac{x ^{2} - 1}{x ^{2} - 2 x + 1} - 1

12 \cdot (- 3)