1a) Solve each of these questions by factorising the left hand side into a product of linear factors:

Question

(i) x^2 - 6x - 40 = 0

(ii) 3x^2 + 20x - 7 = 0

For each question in part (a), check your solutions by substituting them back in to the equation.

Answer 1

all is explained in your previous posts.