What is (9x^2+5x+8)+(9x-7) ?

The solution to (9x^2+5x+8)+(9x-7) is 9x^2+14x+1

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simplify (9x^2+5x+8)+(9x-7)

simplify

(9 x^{2} + 5 x + 8) + (9 x - 7)

9 x^{2} + 14 x + 1

Solution steps

(9 x^{2} + 5 x + 8) + (9 x - 7)

Simplify

(9 x^{2} + 5 x + 8) + (9 x - 7) : 9 x^{2} + 5 x + 8 + 9 x - 7

= 9 x^{2} + 5 x + 8 + 9 x - 7

Group like terms

= 9 x^{2} + 5 x + 9 x + 8 - 7

Add similar elements:

5 x + 9 x = 14 x

= 9 x^{2} + 14 x + 8 - 7

Subtract the numbers:

8 - 7 = 1

= 9 x^{2} + 14 x + 1

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