What are the solution(s) to the quadratic equation x2

asked Dec 11, 2015 137k views

3 votes

What are the solution(s) to the quadratic equation x2 – 25 = 0?

by Lilp

7.4k points

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1 vote

$x^2-25=0\ \ \ \ | add\ 25\ to\ each\ side\\\\ x^2=25\ \ \ \ | \sqrt{}\\\\ x=√(25)\\\\ x=5\ or\ x=-5$

Logan Lee answered Dec 13, 2015

7.5k points

1 vote

$x^2-25=0\ \ \ \ \ \Leftrightarrow\ \ \ (x-5 )(x+5) =0 \ \ \Leftrightarrow\ \ \ x=5\ \ \ or\ \ \ x=-5$

Kefs answered Dec 17, 2015

by Kefs

7.8k points

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