Mathematics 800 Fundamentals - Unit 5: More With Functions DISTRIBUTIVE PROPERTY

All of the following are equivalent except _____.

(5 - 5) x

Simplify -8 + 6( b - 1).

6 b - 14

Simplify 3(2 x - 5).

6 x - 15

Simplify (-2 x - 9)(-4).

8 x + 36

distributive property

a(b + c) = ab + ac, or a(b - c) = ab - ac

equivalent expressions

expressions that are equal in value even though they are written in different ways

Which expression is not equivalent to the other expressions?

-4(3 x + 6)

Simplify -2( x - 5) + 4(9 + x ).

2 x + 46

Which of the following expressions represents the phrase "twice the sum of a number and 5"?

2( x + 5)

Which of the following expressions is equivalent to 3 x + 3 x + 5 + 5?

2(3 x + 5)

Simplify 3(4 x + 6) - 9 x .

3 x + 18

Which expression has a simplified expression of 5 x - 12?

3(4 x - 4) - 7 x