looooooooo
looooooooo
25-05-2017
Mathematics
contestada
I need help is it A B C or D
Respuesta :
sntovas
sntovas
25-05-2017
The answer is C.
First you calculate the area of the backyard:(3x-5)*(4x-10)=12x^2-50x+50
Then you calculate the swimming pool area: (x+8)*(x-2)=x^2+6x-16
Finally, you substract the swimming pool area from the total backyard area and you get:
11x^2-56x+66 which is C.
Answer Link
eliza154
eliza154
25-05-2017
I agree, it's C - here's my method :)
Answer Link
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