(WILL MARK AS BRAINLEIST)
2 answers:
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<u>1) </u>
2) Rectangular shape is square shape patio !
<u>Step-by-step explanation:</u>
Here we have , the area of Bianca’s rectangular backyard patio is represented by the expression x2 – 18x + 81, and the length of the patio is represented by the expression x − 9: We need to find
1. what is the expression for the width of the patio? Explain and show all work.
We know that area of rectangle =
⇒
Factorizing RHS:
⇒
⇒
⇒
⇒
2. what special rectangular shape is the patio?
Now , we see that
A rectangle whose length & width are equal is known as a square ! Hence , Rectangular shape is square shape patio !
Here's the solution,
=》
=》
=》
=》
=》
=》
so,
The solution set is (-5 , 5)