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givi [52]
3 years ago
15

Please help! I need this fast

Mathematics
1 answer:
Maslowich3 years ago
8 0

Answer:

(2x + 7) feet

Step-by-step explanation:

I'm guessing the expression there is

4x² + 28x + 49

4x² +14x +14x +49

Factorize

2x ( 2x + 7) +7( 2x + 7)

(2x + 7)²

Area = (side)1

One side is (2x +7)

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