Question

p (x) = x² + 5x+84
factorise the following​

Answer 1

Answer:

x^2 +5x +84

x^2 +12x -7x + 84

x(x+12) - 7(x+12)

(x-7) (x+12)

x - 7=0

x=7

x+12=0

x=-12