X^2-8x+16=1

What is this answer

Question

Haiden Carrillo

Mathematics

8 July, 15:26

X^2-8x+16=1

What is this answer

+5

Answers (2)

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Stephen Snow · Answer 1

Mmiinus 1 from both sides to get it equal to zero

x^2-8x+15=0

factor

what 2 numbers multiply to get 15 and add to get - 8

-5 and - 3

(x-5) (x-3) = 0

set each to zero

x-5=0

x=5

x-3=0

x=3

x=3 and 5

x=4 is the answer

Trace Hansen · Answer 2

Because it's a square root to the X, there's going to be 2 answers. After solving it I got x = 3,5

X^2-8x+16=1What is this answer

X^2-8x+16=1

What is this answer