2 What is the product of –3x?y and (5xy? + xy)? 1) -15x*y? – 3xy?
2) –15x®y? – 3xy
3) -15x?y? – 3x?y
4) -15x'y' + XV

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Ответ:

logan867

01.12.2021

Mathematics

-2x+8=y=x-1
-2x+8=x-1
add 2x to both sides
8=3x-1
add 1
9=3x
divide 3
3=x
sub
y=x-1
y=3-1
y=2

(x,y)
(3,2)

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2 What is the product of –3x?y and (5xy? + xy)? 1) -15x*y? – 3xy? 2) –15x®y? – 3xy 3) -15x?y? – 3x?y 4) -15x'y' + XV