Question

(1) x? - 15 x + 54 = 0)​

Answer 1

Step-by-step explanation:

x²-15x+54=0

x²-9x-6x+54=0

x(x-9)-6(x-9)=0

(x-9)(x-6)=0

x-9=0; x-6=0

x=9; x=6