Question

quadratic equations be
x² + 3x - 18 = 0​

Answer 1

Answer:

x = 3, -6

Step-by-step explanation:

x^2 + 3x - 18 = 0

x^2 + 6x - 3x -18 = 0

x(x+6) -3(x+6) = 0

(x-3)(x+6) = 0

x = 3, -6

Answer 2

Answer:

x²+3x-18=0

x²+6x-3x-18=0

x(x+6)-3(x+6)=0

(x+6)(x-3)=0

if, (x+6)=0 then, x=-6

if, (x-3)=0 then, x=3

answer x=-6 or 3