Factorised form of 2x^2 – 5x - 18 is
(A) (2x + 9) (x-2)
(B) (2x – 9) (x - 2)
(C) (2x + 9) (x + 2)
(D) (2x - 9) (x + 2)
Answers
Answered by
1
Step-by-step explanation:
2x²-5x-18=0
2x²-9x+4x-18=0
x(2x-9)+2(2x-9)=0
the answer will be
(2x-9)(x+2)=0
the option c is correct
Answered by
2
Answeŕ :
Factorise 2x²- 5x - 18
(A) (2x + 9) (x-2)
(B) (2x – 9) (x - 2)
(C) (2x + 9) (x + 2)
(D) (2x - 9) (x + 2)
Explanation:
= 2x²+ 4x - 9x - 18
= 2x(x+2) - 9(x+2)
=(2x - 9) (x+2)
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