Factorixe:- X² - 3X - 28
Answers
Answered by
4
Step-by-step explanation:
x^2 -7x + 4x - 28
x (x-7 ) + 4 (x -7)
( x+4) (x-7 )
x= -4 , 7
Answered by
2
Step-by-step explanation:
x^2 -3x-28=0
x^2 -7x+4x-28=0
x( x-7 ) + 4( x-7)=0
(x+4) (x-7)=0
so x= (7) Or(-4)
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