Evaluate
-2\left(5u+3\right)^{2}
Expand
-50u^{2}-60u-18
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-2\left(9+30u+25u^{2}\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(-3-5u\right)^{2}.
-18-60u-50u^{2}
Use the distributive property to multiply -2 by 9+30u+25u^{2}.
-2\left(9+30u+25u^{2}\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(-3-5u\right)^{2}.
-18-60u-50u^{2}
Use the distributive property to multiply -2 by 9+30u+25u^{2}.
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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 ) }
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Limits
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