Question

X2+x-20=0 by squaring method

Answer 1

hope this answer will be helpful ♥️♥️

Answer 2

Step-by-step explanation:

x२+x-20=0

x2+x=20

(1/2-1)2=(1/2)=1/4

adding 1/4 in both the side

x2+1/4X=20+1/4

(X+1/2)2=80+1/4

(x+1/2)2=81/4

taking square root both the side

x+1/2=+_9/2

X=_1/2+9/2

x=_1+9/2

x=_1+9/2 or x=_1-9/2

x=8/2 or x=_10/2

x=4 or x= _5