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For x = -4 2x2 + x = 2 (-4)2 + (-4) = 32 - 4 = 28
-4
To find the value of x, we need to set up the equation 3x - 4 = 32. Adding 4 to both sides gives us 3x = 36. Finally, dividing both sides by 3 gives us x = 12.
If you mean 2x = 32 then x = 16 and 9-(4*16) = -55
32 squared is 32 x 32 or 1,024.