Simplifying Rational Expressions Effectively

What are the two main methods used to simplify an expression?

• Combining like terms and factoring

• Combining like terms and distributing

• Distributing and factoring

• Solving and factoring

In the expression 5x + 6 - 2x - 15, what is the simplified form?

• 3x + 21

• 3x - 9

• 7x - 9

• 7x + 21

What is the result of combining like terms in the expression 5x - 2x?

• 1x

• 2x

• 7x

• 3x

What is the result of combining the constants 6 and -15 in the expression 5x + 6 - 2x - 15?

• 21

• -21

• 9

• -9

When distributing -2 in the expression -2(x - 4), what is the result?

• 2x + 8

• -2x - 8

• -2x + 8

• 2x - 8

What is the result of distributing -2 in the expression -2(x - 4)?

• -2x + 8

• -2x - 8

• 2x + 8

• 2x - 8

What is the simplified form of the expression -8p - 6p + 12 + 2?

• -14p + 14

• -14p + 10

• -2p + 14

• -2p + 10

In the expression -9(-8p + 12) - 6p, what is the result after distributing -9?

• 72p + 108

• -72p + 108

• -72p - 108

• 72p - 108

What is the simplified form of the expression 2(x + 4) - 5x + 2?

• -3x + 10

• 3x + 10

• 3x + 6

• -3x + 6

What is the simplified form of the expression 2(x + 4) - 5x + 2?

• 3x + 6

• -3x + 10

• 3x + 10

• -3x + 6