Expand
10x^{2}-9xz-40z^{2}
Evaluate
\left(2x-5z\right)\left(5x+8z\right)
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10x^{2}+16xz-25zx-40z^{2}
Apply the distributive property by multiplying each term of 2x-5z by each term of 5x+8z.
10x^{2}-9xz-40z^{2}
Combine 16xz and -25zx to get -9xz.
10x^{2}+16xz-25zx-40z^{2}
Apply the distributive property by multiplying each term of 2x-5z by each term of 5x+8z.
10x^{2}-9xz-40z^{2}
Combine 16xz and -25zx to get -9xz.
Examples
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Simultaneous equation
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Limits
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