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-5a^{2}-7a+b-15
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-5a^{2}-7a+b-15
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2a^{2}-7a-15-7a^{2}+b
Use the distributive property to multiply a-5 by 2a+3 and combine like terms.
-5a^{2}-7a-15+b
Combine 2a^{2} and -7a^{2} to get -5a^{2}.
2a^{2}-7a-15-7a^{2}+b
Use the distributive property to multiply a-5 by 2a+3 and combine like terms.
-5a^{2}-7a-15+b
Combine 2a^{2} and -7a^{2} to get -5a^{2}.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
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\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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