7x+5(-6)=-9 solve for x
2 answers:
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Answer:
Polynomial expression that represents the area of blanket:
If :
Step-by-step explanation:
The area of the rectangle can be calculated with the formula:
Being l the lenght of the rectangle and w the width of the rectangle.
In this case, the lenght and the width are represented with:
Substitute them into :
Then:
Use Distributive property (Remember the Product of powers property: ):
Add like terms:
(Simplied form)
Evaluate :