Question

Factorise:(i) x² + 6x + 8; (ii) x² + 4x + 3; (iii) a² + 5a + 6; (iv) a² − 5a + 6; (v) a² − 3a − 40; (vi) x² − x − 72.

Answer 1

1)${x }^{2} + 4x +2x + 8 \\ x(x + 4) + 2(x + 4) \\(x+2)(x+4)$