Question

ve the following quadr
(1) x² + x - 20 = 0​

Answer 1

Answer:

x²+x-20=0

x²+5x-4x-20=0

x(x+5)-4(x+5)=0

(x+5)(x-4)=0

either,x=-5....... or x=4.......

Answer 2

Answer:

4

Step-by-step explanation:

x^2 + x - 20 = 0

x^2 + x = 20

xx + 1x = 20

x(x+1) = 20

20/x = x + 1

let x be 4 then,

20/4 = 4+1

5  =  5

then the ans. is one and only 4