Question

x2 + (x - 7)2 = 132. find x by factorisation method​

Answer 1

Step-by-step explanation:

x^2 + (x - 7)^2 = 132

x^2+x^2+49-14x = 132

2x^2-14x+49 = 132

2x^2-14x = 132-49

2x^2-14x = 83

2x^2-14x -83 = 0