Question

Factorise the following by using spliting the middle

terms.

i) x*+2x -3

(iii) 2x+ 3/5x+5

(ii) 3x+7x -6​

Answer 1

Answer:

${x}^{2} + (3 - 1)x - 3 \\ {x }^{2} + 3x - x - 3 \\ x(x + 3) - (x + 3) \\ (x - 1)(x + 3)$