Question

factorise x^2-15x+14​

Answer 1

x² -15x +14

x²- 14x-x+14

x(x-14) -1( x-14)

(x-1) (x-14)

thus,

taking :

x-1= 0 and x-14= 0

x= 1,14

Answer 2

x^2 - 15x + 14 = 0

x^2 - 14x - 1x + 14 = 0

x ( x - 14 ) -1 ( x - 14 ) = 0

( x - 1 ) ( x - 14 ) = 0

x = 1 , 14 → ᴀɴsᴡᴇʀ

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