Evaluate
750+410x-40x^{2}
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750+410x-40x^{2}
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\left(2+x\right)\times 300+\left(1+x\right)\left(150-40x\right)
Subtract 50 from 350 to get 300.
600+300x+\left(1+x\right)\left(150-40x\right)
Use the distributive property to multiply 2+x by 300.
600+300x+150-40x+150x-40x^{2}
Apply the distributive property by multiplying each term of 1+x by each term of 150-40x.
600+300x+150+110x-40x^{2}
Combine -40x and 150x to get 110x.
750+300x+110x-40x^{2}
Add 600 and 150 to get 750.
750+410x-40x^{2}
Combine 300x and 110x to get 410x.
\left(2+x\right)\times 300+\left(1+x\right)\left(150-40x\right)
Subtract 50 from 350 to get 300.
600+300x+\left(1+x\right)\left(150-40x\right)
Use the distributive property to multiply 2+x by 300.
600+300x+150-40x+150x-40x^{2}
Apply the distributive property by multiplying each term of 1+x by each term of 150-40x.
600+300x+150+110x-40x^{2}
Combine -40x and 150x to get 110x.
750+300x+110x-40x^{2}
Add 600 and 150 to get 750.
750+410x-40x^{2}
Combine 300x and 110x to get 410x.
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