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3 years ago

What's the answer to this quadratic equation (x - 18)^2 = 1

Mathematics

2 answers:

just olya [345]3 years ago

5 0

Answer:

Its either x=17 or x=19

Step-by-step explanation:

Rus_ich [418]3 years ago

4 0

Answer:

x=17 or x=19

Step-by-step explanation:

(x−18)^2=1

First, simplify both sides of the equation.

x*2−36x+324=1

Then subtract 1 from both sides.

x^2−36x+324−1=1−1

x^2−36x+323=0

Factor left side of equation.

(x−17)(x−19)=0

Then set factors equal to 0.

x−17=0 or x−19=0

x=17 or x=19

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