Math, asked by Animesh107, 1 year ago

Solve the following quadratic equation:
4√(5)x²+3x-2√(5)=0

Answers

Answered by sohan41

I hope it helped you....

Attachments:

sohan41: let's tell me right answer

Animesh107: well it's correct

RATNGOVINDAM: X is equals to root 5 by 3

Animesh107: how?

RATNGOVINDAM: 4 root 5 x square + 3 x minus 2 root 5 is is equals to zero then next root 5 + 3 x minus 2 root 5 is equals to zero by 4 x square - 5 + 3 X is equals to zero then 3 X is equals to 5 then X is equals to root under 5 by 3

sohan41: there are only two value of x and these are root 5 by4 and -2 by root 5

RATNGOVINDAM: plz read que again

sohan41: I have checked out my solution was right.

Animesh107: Yes it is right.. I got the same answer as well.. Just the answers were wrong in my worlbook

sohan41: Well

Answered by Cathenna

$= > 4 \sqrt{5} {x}^{2} + 3x - 2 \sqrt{5} \\ \\ = > 4 \sqrt{5} {x}^{2} + 8x - 5x - 2 \sqrt{5} \\ \\ = > 4x( \sqrt{5} x + 2) - \sqrt{5} ( \sqrt{5} x + 2) \\ \\ = > ( \sqrt{5} x + 2)(4x - \sqrt{5} )$

Animesh107: Thank You for answering

Cathenna: Welcome!

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