Evaluate
\frac{21x^{2}}{2}+\frac{13x}{2}+1
Expand
\frac{21x^{2}}{2}+\frac{13x}{2}+1
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\frac{21x^{2}+6x+7x+2}{2}
Apply the distributive property by multiplying each term of 3x+1 by each term of 7x+2.
\frac{21x^{2}+13x+2}{2}
Combine 6x and 7x to get 13x.
\frac{21x^{2}+6x+7x+2}{2}
Apply the distributive property by multiplying each term of 3x+1 by each term of 7x+2.
\frac{21x^{2}+13x+2}{2}
Combine 6x and 7x to get 13x.
Examples
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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