Question

Solve the following equations graphically
i) (x+2) (x+4)=0
ii) x^2-4 =0

Answer 1

I) (x+2)(x+4)=0

or x+2=0 | x+4=0

or x=-2 | x=-4

ll) x^2-4=0

or x^2=4

or x=√4

or x=2