Expand
55+320x-256x^{2}
Evaluate
-16\left(4x-2.5\right)^{2}+155
Graph
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-16\left(16x^{2}-20x+6.25\right)+155
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(4x-2.5\right)^{2}.
-256x^{2}+320x-100+155
Use the distributive property to multiply -16 by 16x^{2}-20x+6.25.
-256x^{2}+320x+55
Add -100 and 155 to get 55.
-16\left(16x^{2}-20x+6.25\right)+155
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(4x-2.5\right)^{2}.
-256x^{2}+320x-100+155
Use the distributive property to multiply -16 by 16x^{2}-20x+6.25.
-256x^{2}+320x+55
Add -100 and 155 to get 55.
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