What is (8x^2+3)+(-4x^2-8x+4) ?

The solution to (8x^2+3)+(-4x^2-8x+4) is 4x^2-8x+7

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simplify (8x^2+3)+(-4x^2-8x+4)

simplify

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

4 x^{2} - 8 x + 7

Solution steps

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

Simplify

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

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

Group like terms

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

Add similar elements:

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

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

Add the numbers:

3 + 4 = 7

= 4 x^{2} - 8 x + 7

(- 7 - 4 i) - (- 2 - i)

46 + 106

4 y (3 x + 2) - 2 (3 x + 2)

2 \frac{3}{7}

16 b^{2} - 81

What is (8x^2+3)+(-4x^2-8x+4) ?
The solution to (8x^2+3)+(-4x^2-8x+4) is 4x^2-8x+7