When solved: x = 6 and y = 3
(2x)ysquared
Whooop!
It is -2y + x2y - 8, which is an expression that cannot be simplified further, not can it be evaluated.
You will get nonsense. You cannot plug x2y + 4 into anything!
4 (apples) plus 3 (apples) = 7 (apples). 4 (cows) + 3 (cows) = 7 (cows) 4 (x2y) + 3 (x2y) = 7 (x2y)
Yes, with group 16 elements. Sodium oxide can be given as an example.
x2y = k (constant) so 36 x 2 ie 72 is the constant. If x = 3 then y = 72/9 = 8
xx = x2 In exponential form the expression becomes x2y. Technically, it would be correct to write x2y1 but, an exponent of 1 is simply omitted in ordinary mathematics.
xy
xy
The GCF is xy
4