Evaluate
2\left(x^{2}+8\right)
Factor
2\left(x^{2}+8\right)
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2x^{2}-4+4+16
Combine x^{2} and x^{2} to get 2x^{2}.
2x^{2}+16
Add -4 and 4 to get 0.
2x^{2}+16
Multiply and combine like terms.
2\left(x^{2}+8\right)
Factor out 2. Polynomial x^{2}+8 is not factored since it does not have any rational roots.
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Matrix
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Limits
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