Expand
1+24x-4x^{2}
Evaluate
-4\left(x-3\right)^{2}+37
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-4\left(x^{2}-6x+9\right)+37
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-3\right)^{2}.
-4x^{2}+24x-36+37
Use the distributive property to multiply -4 by x^{2}-6x+9.
-4x^{2}+24x+1
Add -36 and 37 to get 1.
-4\left(x^{2}-6x+9\right)+37
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(x-3\right)^{2}.
-4x^{2}+24x-36+37
Use the distributive property to multiply -4 by x^{2}-6x+9.
-4x^{2}+24x+1
Add -36 and 37 to get 1.
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