Factorise 2x square-7x-39
Answers
Answered by
56
Answer:
( x + 3 ) ( 2x - 13 )
Step-by-step explanation:
2x² - 7x - 39
On splitting it's middle term :-
2x² - 7x - 39
2x² - 13x + 6x - 39
2x ( x + 3 ) - 13 ( x + 3 )
( x + 3 ) ( 2x - 13 )
Hence, the answer is ( x + 3 ) ( 2x - 13 ).
saivivek16:
x=-3
or x=13/2
User didn't asked the value of x, may be he's in junior classes. Therefore, i did only factorisation.
Well,. it's better to mention
Easy Explanation
Are you a teacher
2x²-7x-39
find the factors of 39
2x²-39x-32x-39
let take x as common.
Answered by
25
☘ Here it is....... ☘
>> 2x^2 -7x-39
>> 2x^2 + 6x -13x-39..... ( By splitting the middle term)
☘ { Note that In the above e. q, 6 is written first and 13 later, It is written so, To make it easier to split}.
>> 2x (x+3) - 13 (x+3)
>> Result : (2x-13)(x+3).
✌✌✌
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