sh143107
sh143107
27-02-2021
Mathematics
contestada
please helpppppp if you can ^v^
Respuesta :
EMEGroup
EMEGroup
27-02-2021
Answer:
The right answer is (a) 4x^2 +90x
Step-by-step explanation:
Thanks alot for this question :)
Answer Link
HajirahBibi
HajirahBibi
27-02-2021
The answer is the first option: 4x² + 90x.
Explanation:
The whole area (walkway + swimming pool):
(2x + 20)(2x + 25)
= 4x² + 90x + 500
The swimming pool area:
25 x 20
= 500
The area of the walkway:
4x² + 90x + 500 - 500
= 4x² + 90x
Answer Link
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