shanice4
shanice4
29-11-2016
Mathematics
contestada
if a = 3 and b = -1 then 2a^2 -2ab+b^2
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scarlet8465
scarlet8465
29-11-2016
First you would rewrite it, Replacing the letters with the given numbers: 2(3)^2 -2(3)(-1)+(-1)^2
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gabrielagonzalez123
gabrielagonzalez123
29-11-2016
The answer is 25.
Reason
: Plug in the answer in the variables a and b. Solve like a regular order of operations.
Hope this helps!!
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