Question

Find the value (-2)x = 256
$2$
x = 10
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Answer 1

Answer:

(-2)^x=256

(-2)^x=(-2)^8

x=8

Hope it helps you.

Answer 2

Answer:

2x+2=256

2x= 256-2

2x= 254

x= 254/2

x= 127