Question
x^2-22x=10 solve by completing the square
Answers
Reiny
x^2-22x=10
x^2-22x <b>+ 121</b> = 10 + <b>+ 121</b>
(x-11)^2 = 131
x-11 = +-√131
x = +-√131 + 11
x^2-22x <b>+ 121</b> = 10 + <b>+ 121</b>
(x-11)^2 = 131
x-11 = +-√131
x = +-√131 + 11