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Solve the equation x^2+18x+81=25
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2 votes
Solve the equation
x^2+18x+81=25

User Ivayle
by
8.2k points

2 Answers

3 votes
the answer would be x=-4, -14
User Kazuhiro NISHIYAMA
by
7.6k points
3 votes

Answer:

(x+9)(x+9)=25

Explanation:

x^2+18x+81=25

or x^2+(9x+9x)+81=25

or x^2+9x+9x+81=25

or x(x+9)+9(x+9)=25

:: (x+9) (x+9) =25

User Matthew Son
by
7.3k points
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