Evaluate
-2\left(8-3x\right)^{2}
Expand
-18x^{2}+96x-128
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-2\left(9x^{2}-48x+64\right)
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(-3x+8\right)^{2}.
-18x^{2}+96x-128
Use the distributive property to multiply -2 by 9x^{2}-48x+64.
-2\left(9x^{2}-48x+64\right)
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(-3x+8\right)^{2}.
-18x^{2}+96x-128
Use the distributive property to multiply -2 by 9x^{2}-48x+64.
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