What is [2x^2+4x-3]+[8x^2+2x-5] ?

The solution to [2x^2+4x-3]+[8x^2+2x-5] is 10x^2+6x-8

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simplify [2x^2+4x-3]+[8x^2+2x-5]

simplify

[2 x^{2} + 4 x - 3] + [8 x^{2} + 2 x - 5]

10 x^{2} + 6 x - 8

Solution steps

(2 x^{2} + 4 x - 3) + (8 x^{2} + 2 x - 5)

Simplify

(2 x^{2} + 4 x - 3) + (8 x^{2} + 2 x - 5) : 2 x^{2} + 4 x - 3 + 8 x^{2} + 2 x - 5

= 2 x^{2} + 4 x - 3 + 8 x^{2} + 2 x - 5

Group like terms

= 2 x^{2} + 8 x^{2} + 4 x + 2 x - 3 - 5

Add similar elements:

2 x^{2} + 8 x^{2} = 10 x^{2}

= 10 x^{2} + 4 x + 2 x - 3 - 5

Add similar elements:

4 x + 2 x = 6 x

= 10 x^{2} + 6 x - 3 - 5

Subtract the numbers:

- 3 - 5 = - 8

= 10 x^{2} + 6 x - 8

5 x^{2} y - 2 x y^{2}

\frac{13}{2} x - \frac{5}{x}

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

36 x^{2} - 108 x y + 81 y^{2}

(1 + x)^{- 4}

What is [2x^2+4x-3]+[8x^2+2x-5] ?
The solution to [2x^2+4x-3]+[8x^2+2x-5] is 10x^2+6x-8