Question

please anwer any of this questions answer given in the picture​

Answer 1

Answer:

i

x²-15x-54= 0

x² -18x+3x-54= 0

x(x-18) +3(x-18) =0

(x+3)(x-18) =0

so x+3 =0 or x-18=0

x=-3 x=18