1a) Solve each of these questions by factorising the left hand side into a product of linear factors:
(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.
1 answer
all is explained in your previous posts.