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Rubylyntorresgo
Answered

a=4, b=-3, x=-2 and y=5
1.x+y5
2.ab-xy
3.3a/b
4.(x-y)^2
5.2(3b+5)^2

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Sagot :

Angilynvillanuevago

Answer:

1.27

2.-2

3.-4

4.-49

5.-32

Step-by-step explanation:

1.x+y5=-2+(5)5

=2+25

=27

2.ab-xy=(4)(-3)-(-2)(5)

=-12--10

=-2

3.3a/b=3(4)/-3

=12/-3

=-4

4.(x-y)^2=(-2-5)^2

=(-7)^2

=-49

5.2(3b+5)^2=2(3(-3)+5)^2

=2(-9+5)^2

=2(-4)^2

=2(-16)

=-32

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