What is simplify-7a^2+3a-9-5a^2-6a-4 ?

The solution to simplify-7a^2+3a-9-5a^2-6a-4 is -12a^2-3a-13

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simplify-7a^2+3a-9-5a^2-6a-4

simplify

- 7 a^{2} + 3 a - 9 - 5 a^{2} - 6 a - 4

- 12 a^{2} - 3 a - 13

Solution steps

- 7 a^{2} + 3 a - 9 - 5 a^{2} - 6 a - 4

Group like terms

= - 7 a^{2} - 5 a^{2} + 3 a - 6 a - 9 - 4

Add similar elements:

- 7 a^{2} - 5 a^{2} = - 12 a^{2}

= - 12 a^{2} + 3 a - 6 a - 9 - 4

Add similar elements:

3 a - 6 a = - 3 a

= - 12 a^{2} - 3 a - 9 - 4

Subtract the numbers:

- 9 - 4 = - 13

= - 12 a^{2} - 3 a - 13

(2 x - 3) (x - 2) = 15

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

1296 b^{4} - d^{4}

- 3 (p - 7) > 21

x (3 x - 8) = 0

What is simplify-7a^2+3a-9-5a^2-6a-4 ?
The solution to simplify-7a^2+3a-9-5a^2-6a-4 is -12a^2-3a-13