What is (6x^2+6x+9)+(x^2+2x) ?

The solution to (6x^2+6x+9)+(x^2+2x) is 7x^2+8x+9

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simplify (6x^2+6x+9)+(x^2+2x)

simplify

(6 x^{2} + 6 x + 9) + (x^{2} + 2 x)

7 x^{2} + 8 x + 9

Solution steps

(6 x^{2} + 6 x + 9) + (x^{2} + 2 x)

Simplify

(6 x^{2} + 6 x + 9) + (x^{2} + 2 x) : 6 x^{2} + 6 x + 9 + x^{2} + 2 x

= 6 x^{2} + 6 x + 9 + x^{2} + 2 x

Group like terms

= 6 x^{2} + x^{2} + 6 x + 2 x + 9

Add similar elements:

6 x^{2} + x^{2} = 7 x^{2}

= 7 x^{2} + 6 x + 2 x + 9

Add similar elements:

6 x + 2 x = 8 x

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

(6 a^{2} - b) (6 a^{2} - b)

\frac{3}{30}

(2 x + 1) (x + 1)

3 (x + 1)

(2 - 7 m^{6})^{2}

What is (6x^2+6x+9)+(x^2+2x) ?
The solution to (6x^2+6x+9)+(x^2+2x) is 7x^2+8x+9