Question

X^(2) + 10x=24 by completeing the square

Answer 1

(b/2)^2=(−5)^2
x^2−10x+(−5)^2=24+(−5)^2
x^2−10x+25=49
(x−5)^2=49 (square root)
(x−5)=±7

x-5=7 => x=12 
x-5=-7 => x=-2