Expand
x^{2}+10xz+21z^{2}
Evaluate
\left(x+3z\right)\left(x+7z\right)
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x^{2}+7xz+3zx+21z^{2}
Apply the distributive property by multiplying each term of x+3z by each term of x+7z.
x^{2}+10xz+21z^{2}
Combine 7xz and 3zx to get 10xz.
x^{2}+7xz+3zx+21z^{2}
Apply the distributive property by multiplying each term of x+3z by each term of x+7z.
x^{2}+10xz+21z^{2}
Combine 7xz and 3zx to get 10xz.
Examples
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Limits
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