Question

frnds plz solve this​

Answer 1

Answer:

x²-31x+240=0

x²-16x-15x+240=0

x(x-16) -15(x-16) =0

(x-15) (x-16) =0

x-15=0 or x-16=0

x=15 or x=16

so x=15 or x=16

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