Question

factories x^2+15x+54

Answer 1

x²+15x+54
x²+6x+9x+54
x(x+6)+9(x+6)
(x+9)(x+6)


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Answer 2

x²+15x+54=0
x²+6x+9x+54=0
x(x+6)+9(x+6)=0
(x+6)(x+9)=0
x+6=0 or x+9=0
x=-6 or x=-9