If: x-3 = 4
Then: x = 7
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x=4.
If: x3+1 = 65 Then: x3 = 65-1 And: x3 = 64 So: x = 4 by means of the cube root function on the calculator
x5 = x3 times x2. In this case x3 = 64 so x = cube root of 64 ie 4
find x3+y2 if x=4 and y=3 ( 4*4*4)+(3*3) 64 +9 =73
That's the same as x3 times x3 which equals x6