Adding, Subtracting, Multiplying and Dividing Monomials

When adding and subtracting monomials, you must .....

• subtract the exponents

• add the exponents

• multiply the exponents

• Keep the exponents as they are.

When multiplying monomials, you must

• Add the exponents.

• subtract the exponents.

• multiply the exponents

• keep the exponents as they are.

When you are dividing monomials, you must....

• add the exponents.

• subtract the exponents.

• multiply the exponents.

• keep the exponents as they are.

Simplify the expression

(9n-16) + (-1 +3n)

• 12-17n

• 12n-17

• -17+12n

• 6n -17

• A
• B
• C
• D

• A
• B
• C
• D

6x * 2x²

• 12x

• 12x²

• 18x³

• none of the above

-20x⁶ + (-10x⁶)

• 10x¹²

• -30x⁶

• -10x⁶

• -30x¹²

(21-8c) - (4c-2)

• -12c+23

• 12-23c

• 23-12c

• 23+12c

Simplify the expression

(6-v +14v) + (-3v -18 +5v)

• 3v

• -12+15v

• 15v-12

• 12-15