Factorise:- 2x^2-7x-39
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Answered by
61
———>2x^2-13x+6x-39=0
=>x(2x-13)+3(2x-13)=0
=>(x+3)(2x-13)=0
If (x+3)=0
=>x=-3
If (x-13)=0
=>x=13
Hope this helps you. :)
=>x(2x-13)+3(2x-13)=0
=>(x+3)(2x-13)=0
If (x+3)=0
=>x=-3
If (x-13)=0
=>x=13
Hope this helps you. :)
Atithisharma:
hii pranjal there is 2x-13 not x-13
Oh ,sorry
Answered by
121
2x²-7x-39
2x²-(13-6)x-39
2x²-13x+6x-39
x(2x-13)+3(2x-13)
(x+3)(2x-13)
hope dis help
2x²-(13-6)x-39
2x²-13x+6x-39
x(2x-13)+3(2x-13)
(x+3)(2x-13)
hope dis help
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