factorise x^2-15x+14
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Answered by
8
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
Answered by
18
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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