Question

X²+6X-216=0 by completing square method

Answer 1

Answer:

ur answers is answered

Answer 2

Answer:

Hey buddy this is ur answer.

x^2 - 6x - 216

x^2 - 18x - 12x - 216

x( x - 18 ) + 12 ( x - 18)

( x + 12 ) / ( x - 18)

x = -12 / x = 18

Step-by-step explanation:

Hope it works out for you.