4x²+17x-15 factorise by splitting method
bhupesh99:
4x^2 + 17x - 15 = 4x^2 + 20x - 3x - 15 = 4x(x +5) - 3(x + 5) = (4x -3)(x + 5) = x= 3/4, -5
correct answer bhupesh (y)
Answers
Answered by
22
it should be 4x^2 + 17x + 15
4x^2 + 17x + 15
4x^2 + 12x + 5x + 15
3x(x+3) + 5(x+3)
(x+3) (3x+5)
4x^2 + 17x + 15
4x^2 + 12x + 5x + 15
3x(x+3) + 5(x+3)
(x+3) (3x+5)
my answer is correct
if u add the middle terms then
its must be 17x but it is -7x
lipranj14 u big *******
u will definitely fail in exam if u write like that
in question -15 is there not +15. you are wrong
Gabhishekh my answer is correct
Tere baap ko nahi aata to tereko kya aayega
Jaa
This is for bhupesh
Answered by
22
4x^2 -12x+5x -15
4x ( x-3)+5(x-3)
(4x+5)(x-3)
4x ( x-3)+5(x-3)
(4x+5)(x-3)
-12x + 5x is 7x and question is 17x .
then
what i said is correct
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