2x+x is 3x
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The expression x x 2x can be simplified as x * 2x. To multiply these terms, you multiply the coefficients (numbers in front of the variables) and add the exponents (the powers the variables are raised to). In this case, you would get 2x^2, which is the simplified form of x x 2x.
(2x + 1) + (x*x - 2x + 1) = x^2 + 2x - 2x + 1 + 1 = x^2 + 2
2X * 2X * 2X = 8X^3 2X^3 is saying 2*( X * X * X) = 2X^3
2x - x = x
2x+x2x = x+xso 2x+x isx+x+x = 3x
What is X if 2x + 4 = 36 What is X ? 2x + 4 = 36