Question

X^2-10x+25=144

Don’t understand this at all. Please Help.
Something to do with Square roots?? Unsure atp.

Answer 1

X=149

Explanation:

X^2-10X+25=144

X^2-(5+5)X+25=144

X^2-5X-5X+25=144

X(X-5)-5(X-5)=144

(X-5)(X-5)=144