Question

Factorise Ysquare – 5y + 6 by using the Factor Theorem.

Answer 1

y= –5/–6
that means y=5/6

Answer 2

y 2 - 5y +6 = 0

y 2 -2y -3y + 6 = 0

y(y-2) -3(y-2) = 0

(y-3) (y-2) = 0

therefore, y = 2,3