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Numerical Ability
Algebra
(3x + 2) (2x - 5) = ax² + kx + n. What is the value of a - n + k?
a) 5 b) 8 c) 9 d) 10 e) 11
Read Solution (Total 3)
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- (3x + 2) (2x - 5) = ax² + kx + n = 6x^2 - 11x -10
so a= 6, k= -11 , n= -10
a - n + k = 6+10-11= 5 ... option a - 12 years agoHelpfull: Yes(6) No(0)
- (3x +2)*(2x - 5) =6x^2 -11x-10, a=6, n= -10 , k=-11
6-(-10)+(-11)=6+10-11= 5 ans - 7 years agoHelpfull: Yes(0) No(0)
- It is option a
- 4 years agoHelpfull: Yes(0) No(0)
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