Evaluate
x^{2}+12xy+8y
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x^{2}+12xy+8y
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11x^{2}+9xy-2y-10x^{2}+3xy+10y
To find the opposite of 10x^{2}-3xy-10y, find the opposite of each term.
x^{2}+9xy-2y+3xy+10y
Combine 11x^{2} and -10x^{2} to get x^{2}.
x^{2}+12xy-2y+10y
Combine 9xy and 3xy to get 12xy.
x^{2}+12xy+8y
Combine -2y and 10y to get 8y.
11x^{2}+9xy-2y-10x^{2}+3xy+10y
To find the opposite of 10x^{2}-3xy-10y, find the opposite of each term.
x^{2}+9xy-2y+3xy+10y
Combine 11x^{2} and -10x^{2} to get x^{2}.
x^{2}+12xy-2y+10y
Combine 9xy and 3xy to get 12xy.
x^{2}+12xy+8y
Combine -2y and 10y to get 8y.
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