Math, asked by ranisingh1516, 3 months ago

गुणनखंड विधि से द्विघात समीकरण x-3x-10 = 0 के मूल ज्ञात कीजिए।​

Answers

Answered by jayshreey10
5

Answer:

गुणनखंड विधि से द्विघात समीकरण x-3x-10 = 0 के मूल ज्ञात कीजिए।

Answered by mathgenius11
9

Step-by-step explanation:

 {x}^{2}  - 3x - 10  = 0\\    {x}^{2}  - (5 - 2)x - 10 = 0 \\  {x}^{2}  - 5x + 2x - 10 = 0 \\ x(x - 5) + 2(x - 5) = 0 \\ (x - 5)(x + 2) = 0 \\ if \: (x - 5) = 0 \\ x = 5 \\ if(x + 2) = 0 \\ x =  - 2 \\ so \: x = (5 \: and \:  - 2)

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