Question

B) Solve any four subquestions of the following.

1) Solve by factorization method: x²-2x-3-0
E

Answer 1

Answer: (x-3)(x+1)

Explanation:

Using FOIL, the x^2 value means that each "first" value must be x. The -2x means that the "outer" and "inner" values must add up to -2x, and the -3 means the the "last" values must multiply to get -3.