Evaluate
\left(x-5\right)\left(2x^{2}-3\right)+4x^{2}
Expand
2x^{3}-6x^{2}-3x+15
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2x^{3}-10x^{2}-3x+15+4x^{2}
Use the distributive property to multiply 2x^{2}-3 by x-5.
2x^{3}-6x^{2}-3x+15
Combine -10x^{2} and 4x^{2} to get -6x^{2}.
2x^{3}-10x^{2}-3x+15+4x^{2}
Use the distributive property to multiply 2x^{2}-3 by x-5.
2x^{3}-6x^{2}-3x+15
Combine -10x^{2} and 4x^{2} to get -6x^{2}.
Examples
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\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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