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x cubed
(x - 1)(2x^2-1)
(w2)3 = w(2 x 3) = w6
x3*(1/2)*sqrt(x3) = 1/2*x4.5 or 1/2*sqrt(x9)
7^3 × X^2 = 7 × 7 × 7 × X × X Seven cubed tells you that 7 is multiplied three time, and the X squared tells you that you multiply X twice. I have used capital Xs as the times symbol (×) is very similar to a lower case x. This is why in algebra the times symbol is dropped and any two symbols next to each other are multiplied together, eg 5xy means 5 times x times y and not 5 times y.