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9v^{2}+12v-10
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9v^{2}+12v-10
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3v^{2}+8v-2-5v-4-\left(-6v^{2}-9v+4\right)
Combine -4v^{2} and 7v^{2} to get 3v^{2}.
3v^{2}+3v-2-4-\left(-6v^{2}-9v+4\right)
Combine 8v and -5v to get 3v.
3v^{2}+3v-6-\left(-6v^{2}-9v+4\right)
Subtract 4 from -2 to get -6.
3v^{2}+3v-6+6v^{2}+9v-4
To find the opposite of -6v^{2}-9v+4, find the opposite of each term.
9v^{2}+3v-6+9v-4
Combine 3v^{2} and 6v^{2} to get 9v^{2}.
9v^{2}+12v-6-4
Combine 3v and 9v to get 12v.
9v^{2}+12v-10
Subtract 4 from -6 to get -10.
3v^{2}+8v-2-5v-4-\left(-6v^{2}-9v+4\right)
Combine -4v^{2} and 7v^{2} to get 3v^{2}.
3v^{2}+3v-2-4-\left(-6v^{2}-9v+4\right)
Combine 8v and -5v to get 3v.
3v^{2}+3v-6-\left(-6v^{2}-9v+4\right)
Subtract 4 from -2 to get -6.
3v^{2}+3v-6+6v^{2}+9v-4
To find the opposite of -6v^{2}-9v+4, find the opposite of each term.
9v^{2}+3v-6+9v-4
Combine 3v^{2} and 6v^{2} to get 9v^{2}.
9v^{2}+12v-6-4
Combine 3v and 9v to get 12v.
9v^{2}+12v-10
Subtract 4 from -6 to get -10.
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