What is expand 3t^2-5t+6+8t^2+7t-9 ?

The solution to expand 3t^2-5t+6+8t^2+7t-9 is 11t^2+2t-3

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expand 3t^2-5t+6+8t^2+7t-9

expand

3 t^{2} - 5 t + 6 + 8 t^{2} + 7 t - 9

11 t^{2} + 2 t - 3

Solution steps

3 t^{2} - 5 t + 6 + 8 t^{2} + 7 t - 9

Group like terms

= 3 t^{2} + 8 t^{2} - 5 t + 7 t + 6 - 9

Add similar elements:

3 t^{2} + 8 t^{2} = 11 t^{2}

= 11 t^{2} - 5 t + 7 t + 6 - 9

Add similar elements:

- 5 t + 7 t = 2 t

= 11 t^{2} + 2 t + 6 - 9

Add/Subtract the numbers:

6 - 9 = - 3

= 11 t^{2} + 2 t - 3

\frac{1}{( x ^{2} - 1 ) ( x + 2 ) ( 2 x + 1 )}

\frac{( x + 3 ) ( x + 1 )}{x ^{2} + 2 x + 3}

\frac{( 3 x + 1 ) ( x - 3 )}{( x + 4 )}

(1 - cos (x)) d x

What is expand 3t^2-5t+6+8t^2+7t-9 ?
The solution to expand 3t^2-5t+6+8t^2+7t-9 is 11t^2+2t-3