Math, asked by gourav870, 1 year ago

factorise this equation x²+2x-39

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Answered by abdul9838

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$\small \bf \pink{hey \: mate \: here \: is \: ur \: ans} \\ \\ \small \bf \pink{ \huge \: solution} \\ \\ \small \bf \pink{ {x}^{2} + 2x - 39 = 0} \\ \\ \small \bf \pink{( {x})^{2} + 2 \times x \times 1 + (1)^{2} - (1)^{2} - 39 = 0 } \\ \\ \small \bf \pink{(x + 1) ^{2} - 1 - 39 = 0} \\ \\ \small \bf \pink{( {x + 1)}^{2} - 40 = 0} \\ \\ \small \bf \pink{x + 1 = \pm \sqrt{40} } \\ \\ \small \bf \pink{x = 1 + \sqrt{2 \times 2 \times 2 \times 5} } \\ \\ \small \bf \pink{x = 1 + 2 \sqrt{10} } \\ \\ \small \bf \pink{and} \\ \\ \small \bf \pink{x = 1 - 2 \sqrt{10} \: \: \: \: ans }$

gourav870: thanks mate

gourav870: to help me

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factorise this equation x²+2x-39​

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factorise this equation x²+2x-39