Evaluate
7x^{2}+35xy+66x+41y
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7x^{2}+35xy+66x+41y
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66x+33y+\left(x+5y\right)\times 7x+8y
Use the distributive property to multiply 11 by 6x+3y.
66x+33y+\left(7x+35y\right)x+8y
Use the distributive property to multiply x+5y by 7.
66x+33y+7x^{2}+35yx+8y
Use the distributive property to multiply 7x+35y by x.
66x+41y+7x^{2}+35yx
Combine 33y and 8y to get 41y.
66x+33y+\left(x+5y\right)\times 7x+8y
Use the distributive property to multiply 11 by 6x+3y.
66x+33y+\left(7x+35y\right)x+8y
Use the distributive property to multiply x+5y by 7.
66x+33y+7x^{2}+35yx+8y
Use the distributive property to multiply 7x+35y by x.
66x+41y+7x^{2}+35yx
Combine 33y and 8y to get 41y.
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