Simplifying Expressions Answers

Evaluate x3 - 3y when x = -3 and y = 4.

Evaluate 4(a2 + 2b) - 2b when a = 2 and b = –2.

Evaluate 5|x3 - 2| + 7 when x = -2.

Select all of the coefficients in the expression.12xy3 + 2x5y + 4x5y2 + 7x5y.

Select all that are like terms to 5a5b4.

Simplify 6 - 4[x + 1 - (y + 3)] + 5y.

Simplify y²2y²4y²✔ 5y²

What is a simplified expression for the perimeter of the polygon?17x² + 7y²12x² + 5y² + 3x + 2y5x² + 2y² + 12x + 4y✔ 5x² + 2y² + 12x + 5y

If x = 3 cm and y = 2 cm, what is the perimeter of the polygon? cm