Question

Solve: x2 – 16x + 15 = 0
a) x = -1, x = -15
b) x = 1, x = 15
c) x = 3, x = 5
d) x = -3, x = -5

Answer 1

x^2-16x +15=0
(x-1)(x-15)=0
x=1 or x =15
therefore, b is the ans