Simplify (-2a^2+2a+9)-(9a^2+6a-4) - Math App

Math

$(- 2 a^{2} + 2 a + 9) - (9 a^{2} + 6 a - 4)$

Simplify each term.

Tap for more steps…

Apply the distributive property.

$- 2 a^{2} + 2 a + 9 - (9 a^{2}) - (6 a) - - 4$

Simplify.

Tap for more steps…

Multiply $9$ by $- 1$ .

$- 2 a^{2} + 2 a + 9 - 9 a^{2} - (6 a) - - 4$

Multiply $6$ by $- 1$ .

$- 2 a^{2} + 2 a + 9 - 9 a^{2} - 6 a - - 4$

Multiply $- 1$ by $- 4$ .

$- 2 a^{2} + 2 a + 9 - 9 a^{2} - 6 a + 4$

$- 2 a^{2} + 2 a + 9 - 9 a^{2} - 6 a + 4$

$- 2 a^{2} + 2 a + 9 - 9 a^{2} - 6 a + 4$

Simplify by adding terms.

Tap for more steps…

Subtract $9 a^{2}$ from $- 2 a^{2}$ .

$- 11 a^{2} + 2 a + 9 - 6 a + 4$

Subtract $6 a$ from $2 a$ .

$- 11 a^{2} - 4 a + 9 + 4$

Add $9$ and $4$ .

$- 11 a^{2} - 4 a + 13$

$- 11 a^{2} - 4 a + 13$

Simplify (-2a^2+2a+9)-(9a^2+6a-4)

Solving MATH problems

We can solve all math problems. Get help on the web or with our math app