The length of a rectangle is three times the width. Ten area of the rectangle is 108 sq in. What is the width of the triangle? A
1 answer:
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Step-by-step explanation:
Here, we'll need to multiply these two values together. I'll use the expansion formula, which goes as follows:
- Expand
Lets apply this to the following equation:
- Expand.
- Simplify.
- Remove parenthesis and add.
Answer:
x^2+10x+21