Question

factorise 4x2 + 3x - 2

Answer 1

$4x \times 2 + 3x - 2 \\ = 8x + 3x - 2$

Answer 2

=4x +3x -2 +2

=7x +0

4x and 3x both are like term and 2 and -2 are like term, so 4x + 3x = 7x and 2 -2=o.