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4 years ago

Pls help simple stuff

Mathematics

1 answer:

vitfil [10]4 years ago

3 0

Answer: 2) 4x - 8 - 8y

Step-by-step explanation:

if xy=4

then y(x-4)(x+2) use foil method with parenthisies to get

y(x²+2x-4x-8) foil again

x²y+2xy-4xy-8y plug 4 in for xy

x²y+2(4)-4(4)-8y solve what u can

x²y+8-16-8y= x²y-8-8y

for x²y if you take out the exponent you have an xy and an x so when u plug in 4 you get 4x ending up with a solution of

4x-8-8y

Hope that helped

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