What is (9y^3+8y-4)+(8y^2-7y+1) ?

The solution to (9y^3+8y-4)+(8y^2-7y+1) is 9y^3+8y^2+y-3

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simplify (9y^3+8y-4)+(8y^2-7y+1)

simplify

(9 y^{3} + 8 y - 4) + (8 y^{2} - 7 y + 1)

9 y^{3} + 8 y^{2} + y - 3

Solution steps

(9 y^{3} + 8 y - 4) + (8 y^{2} - 7 y + 1)

Simplify

(9 y^{3} + 8 y - 4) + (8 y^{2} - 7 y + 1) : 9 y^{3} + 8 y - 4 + 8 y^{2} - 7 y + 1

= 9 y^{3} + 8 y - 4 + 8 y^{2} - 7 y + 1

Group like terms

= 9 y^{3} + 8 y^{2} + 8 y - 7 y - 4 + 1

Add similar elements:

8 y - 7 y = y

= 9 y^{3} + 8 y^{2} + y - 4 + 1

Add the numbers:

- 4 + 1 = - 3

= 9 y^{3} + 8 y^{2} + y - 3

3.5 x^{2} + 4.2 x

8 x^{3} - 8^{2}

a^{6} + 3 a^{3} b^{3} - 40 b^{6}

(\frac{x + 2}{x})^{3} + (\frac{x - 2}{x})^{3}

(3 y^{2})^{3}

What is (9y^3+8y-4)+(8y^2-7y+1) ?
The solution to (9y^3+8y-4)+(8y^2-7y+1) is 9y^3+8y^2+y-3