Question

x2+X+20 factorise????​

Answer 1

x² + x + 20

D = 1² - 80 = - 79

value of D is negative.. therefore, no real roots exist.m

Answer 2

20=4*5

x^2+5x-4x+20

X(X+5-4(X+5)

X+5=0 X=-5

x-4=0 X=4

hope this helps u