Question

Select the expression that is equivalent to x + x + y × y × y. Question 11 options: (a)x^2 + 3y (b)2x + 3y (c)x^2 + y^3 (d)2x + y^3

Answer 1

x+x+y.y.y = 2x+y^3 ( y cube)

So, The answer is (d)