How do you solve #(x + 9)^{2} = 252#?

1 Answer
May 3, 2018

x=6.874507866 and x=-24.87450787

Explanation:

#(x+9)^2=252#

square root both sides

#(x+9)=\pmsqrt252#

There will be two solutions

#x+9=6sqrt7# and #x+9=-6sqrt7#

subtract 9 from both sides

#x=-9+6sqrt7# and #x=-9-6sqrt7#