Math, asked by jaideepminda, 11 months ago

2x^2-1/2x=9 solve it using factorisation method.

Answers

Answered by harnoor92
0

Answer:

x=5

Step-by-step explanation:

2 { x}^{2}  - 1 \div 2x = 9 \\ 2 {x}^{2}  \div 2x = 10 \\ 2x = 10 \\ x = 5

Answered by benhurmuthu
1

Step-by-step explanation:

2x²-1/2x=9

multiply by 2

4x²-x-18=0

4x²+8x-9x-18=0

4x(x+2)-9(x+2)=0

(x+2)(4x-9)=0

x = -2 or 9/4

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