Question

Find the roots of the quadratic equation a^2z^2-b^2=0 by factorisation.

Answer 1

x + 2)(x + 3) = 12

x2 + 5x + 6 = 12

x2 + 5x – 6 = 0

(x + 6)(x – 1) = 0

x + 6 = 0, x – 1 = 0

x = –6, x = 1

Then my solution is:

x = –6, 1