Question

evaluate if x= -1
y = 2
z = -3
2xy + 2yz- 8×z ​

Answer 1

Answer:

given,

2xy + 2yz - 8xz

2(-1)2 + 2(2)(-3) - 8(-1)(-3)

-4 -12 -24

= -40

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Answer 2

Answer:

-40

Step-by-step explanation:

Given

x = -1

y = 2

z = -3

2xy+2yz-8xz = 2(-1)(2) + 2(2)(-3) - 8(-1)(-3)

= (-4) + (-12) - (24)

= -4 - 12 -24

= -40

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