Big Ideas Math: Modeling Real Life, Grade 7
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Big Ideas Math: Modeling Real Life, Grade 7 View details
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Exercise 14 Page 120

Be careful with negatives when distributing.

- 4(x-9)

We want to factor out the coefficient of the variable term. First, we can identify the variable term in our expression. - 4x+36 Notice that we have one x-term with a coefficient of - 4. Let's factor out - 4 from our expression! - 4x+36 ⇒ - 4(x-9) Notice that we cannot simplify our expression further.