Evaluate
\frac{1242x^{2}}{25}-\frac{2277x}{50}-62.1
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\frac{1242x^{2}}{25}-\frac{2277x}{50}-62.1
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\left(12.42x-20.7\right)\left(4x+3\right)
Use the distributive property to multiply 4.14 by 3x-5.
49.68x^{2}+37.26x-82.8x-62.1
Apply the distributive property by multiplying each term of 12.42x-20.7 by each term of 4x+3.
49.68x^{2}-45.54x-62.1
Combine 37.26x and -82.8x to get -45.54x.
\left(12.42x-20.7\right)\left(4x+3\right)
Use the distributive property to multiply 4.14 by 3x-5.
49.68x^{2}+37.26x-82.8x-62.1
Apply the distributive property by multiplying each term of 12.42x-20.7 by each term of 4x+3.
49.68x^{2}-45.54x-62.1
Combine 37.26x and -82.8x to get -45.54x.
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