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Example 1
$(- \dfrac{2}{5})(x+3)(-30)=?$
- $-12x+36$
- $6x-18$
- $-12x-36$
- $60(x+3)$
- $12x+36$
Solution
- We need to simplify the given expression by first rewriting the given expression as follows
$(-\dfrac{2}{5})(x+3)(-30)=(-\dfrac{2}{5})(-30)(x+3)$
- We simplify the term $(-\dfrac{2}{5})(-30)$ as follows
$(-\dfrac{2}{5})(-30)=(\dfrac{60}{5})=12$
- Substitute in the main expression and simplify. Hence
$(-\dfrac{2}{5})(x+3)(-30)= 12(x+3) = 12x + 36$
Answer E
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