Math, asked by sujithankita, 5 hours ago

FIND THE ZEROES OF THE QUADRATIC POLYNOMIAL 2x^2 - x - 10

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Answers

Answered by aratisikdar7
0

Answer:

  \frac{5}{2}  \: and \:  - 2

Step-by-step explanation:

 {2x}^{2}  - x - 10   = 0\\  =  {2x}^{2}  + 4x - 5x - 10  = 0\\  = 2x(x + 2) - 5(x + 2)  = 0\\  = (2x - 5)(x + 2)  = 0\\ therefore,2x - 5 = 0 \\  =  > 2x = 5 \\  =  > x =  \frac{5}{2}  \\ or,   x + 2 = 0 \\  =  > x =  - 2

So at , -2 and  \frac{5}{2} are zeroes of the THE QUADRATIC POLYNOMIAL.

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