Question

7. Copy and complete to factorise the expression.
3x2+5x-2=(3x___)(x___)

Answer 1

(3x - 1)(x + 2).

Explanation:

3x^2 + 5x - 2

= 3x^2 + 6x - x - 2

= 3x(x + 2) - 1(x + 2)

= (3x - 1)(x + 2).