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Check whether the equation (x-2) (x+2)=(x-3)(2x+3) …

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Check whether the equation (x-2) (x+2)=(x-3)(2x+3) is a quadratic

Posted by Preeti Vyapari 5 years, 2 months ago

CBSE > Class 10 > Mathematics

2 answers

Shubham Saxena ???? 5 years, 2 months ago

(x - 2 ) (x + 2 ) = ( x - 3 ) ( 2x + 3 ),,,, [x² + 2x - 2x - 4 = 2x² + 3x - 6x - 9 = 0] ,,,, [x² + 2x - 2x - 4 - 2x² - 3x + 6x + 9 = 0 ],,,, [ x² + 9x + 5 = 0 ,, Hence it is a quadratic equation . Thank you

2Thank You

Boobala Guru 5 years, 2 months ago

(X-2) (x+2)=x^2+(-2+2)x+-2×2=x^2-4 yes it is a quadratic it has a degree of 2

3Thank You

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CBSE > Class 10 > Mathematics

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Don't post personal information, mobile numbers and other details.
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Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Kanika . 4 days, 17 hours ago

CBSE > Class 10 > Mathematics