Answer:
x² + 6x - 27 = 0
x² + 9x - 3x - 27 = 0
x ( x + 9 ) - 3 ( x + 9 ) = 0
( x + 9 ) ( x - 3 ) = 0
Thus ,
x = -9 or x = 3
I hope it helps you
#Indian : )
Graph the equation in a graphing calculator or in the table in a regular calculator and look for the zero on the x axis and the y axis