What is (3x^3+4x^2)+(3x^3-4x^2-9x) ?

The solution to (3x^3+4x^2)+(3x^3-4x^2-9x) is 6x^3-9x

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simplify (3x^3+4x^2)+(3x^3-4x^2-9x)

simplify

(3 x^{3} + 4 x^{2}) + (3 x^{3} - 4 x^{2} - 9 x)

6 x^{3} - 9 x

Solution steps

(3 x^{3} + 4 x^{2}) + (3 x^{3} - 4 x^{2} - 9 x)

Simplify

(3 x^{3} + 4 x^{2}) + (3 x^{3} - 4 x^{2} - 9 x) : 3 x^{3} + 4 x^{2} + 3 x^{3} - 4 x^{2} - 9 x

= 3 x^{3} + 4 x^{2} + 3 x^{3} - 4 x^{2} - 9 x

Group like terms

= 3 x^{3} + 3 x^{3} + 4 x^{2} - 4 x^{2} - 9 x

Add similar elements:

3 x^{3} + 3 x^{3} = 6 x^{3}

= 6 x^{3} + 4 x^{2} - 4 x^{2} - 9 x

Add similar elements:

4 x^{2} - 4 x^{2} = 0

= 6 x^{3} - 9 x

- 6 \cdot (- 6)

\frac{2}{3} \div \frac{3}{4}

\frac{13}{9}

52!

- 2 m + 4 m - 3

What is (3x^3+4x^2)+(3x^3-4x^2-9x) ?
The solution to (3x^3+4x^2)+(3x^3-4x^2-9x) is 6x^3-9x