It would actually be a product instead of a sum because we are dealing with multiplication rather than addition, but the answer is yes. Basically, m squared is just m * m so multiplying that times m would be m * m * m, which is the same as m cubed.
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find x3+y2 if x=4 and y=3 ( 4*4*4)+(3*3) 64 +9 =73
Yes. 6 squared+71 squared equals 5077
There is no number related to the original (as implied by "its what") that will do.
4x squared - x cubed = 506 x squared times (4 - x) = 506 prime factors of 506 are 2, 11 & 23 so possible factors are 22 x 23 and 11 x 46. None of these are square numbers so first impression is that there is no solution in integers. I also suspect that any solution will be negative. More later! Later: Nearest I can get without going to ten-thousandths is x = -6.834. 4xsquared = 186.814, x cubed = -319.172 which sum to 505.986.
It is when the answer, when 2 things are multiplied, is the same as when they are added. For instance, 2*2=2+2