3 years ago

Explain why the equation (x-4)2-28=8

Mathematics

1 answer:

Alex17521 [72]3 years ago

8 0

Answer:

x=10 or x=-2

Step-by-step explanation:

add 28 to both sides

(x-4)^2=36

sqrt both sides

remember to get positive and negative roots

x-4=+/-6

add 4 to both sides

x=4+/-6

x=4+6 or x=4-6

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