Question

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

the x is squared

Answer 1

b) x = 1, x = 15

Answer 2

x2 – 16x + 15 = 0
x=15
x=1