Evaluate
-4\left(x+2\right)^{2}+10
Expand
-4x^{2}-16x-6
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-4\left(x^{2}+4x+4\right)+10
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+2\right)^{2}.
-4x^{2}-16x-16+10
Use the distributive property to multiply -4 by x^{2}+4x+4.
-4x^{2}-16x-6
Add -16 and 10 to get -6.
-4\left(x^{2}+4x+4\right)+10
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+2\right)^{2}.
-4x^{2}-16x-16+10
Use the distributive property to multiply -4 by x^{2}+4x+4.
-4x^{2}-16x-6
Add -16 and 10 to get -6.
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