Simplifying and Evaluating Expressions

Simplify the expression: 3x + 2y - 5x + 4y

• -2x + 6y

• x + 6y

• -2x - 6y

• -2x + 6y

Evaluate the expression for x = 2 and y = 5: 4x^2 - 3xy + 2y^2

• 36

• 45

• 14

• -36

Simplify the expression: 2(3x - 4) + 5(2x + 1)

• 5x + 2

• 16x + 9

• 6x - 3

• 16x + 1

Evaluate the expression for x = -3 and y = 2: 2x^3 - 3xy^2 + 4y^3

• -20

• 14

• -14

• 20

Simplify the expression: 5x - 3(x - 2) + 4(2x + 1)

• -10x + 10

• 5x - 10

• 15x + 10

• 10x + 10

Evaluate the expression for x = 4 and y = -2: 3x^2 - 2xy + 5y^2

• 84

• 92

• -84

• 12

Simplify the expression: 2(x + 3) - 3(2x - 1)

• -4x + 9

• -4x + 3

• 4x - 9

• -4x - 9

Evaluate the expression for x = -1 and y = 3: 4x^3 + 2xy^2 - 3y^3

• -97

• -109

• -115

• -103

Simplify the expression: 4(x - 2) + 3(2x + 1) - 2(3x - 4)

• 4x

• 4x - 2 + 6x + 3 - 6x - 8

• 4x - 2 + 3(2x + 1) - 2(3x - 4)

• 4x - 8 + 6x + 3 - 6x + 8

Evaluate the expression for x = 5 and y = 0: 2x^2 - 3xy + 4y^2

• 10

• 50

• -20

• 25