find the roots of quadratic equation by factorisation. 2x²-5x-18=0​

  • matematika

    Subject:

    Math

  • Author:

    marvin

  • Created:

    1 year ago

Answers 2

Step-by-step explanation

So, roots are 9/2 and -2

answer img

Answer:

2x²-9x+4x-18=0

2x(x-3)+4(x-4)=0

x-3=0,x-4=0

x=3,x=4

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1. ಕೆಳಗಿನ ರೇಖಾತ್ಮಕ ಸಮೀಕರಣಗಳ ಜೋಡಿಗಳನ್ನು ವರ್ಜಿಸುವ ವಿಧಾನ ಮತ್ತು ಆದೇಶ ವಿಧಾನಗಳಿಂದ ಬಿಡಿಸಿರಿ. (1) X + y = 5 ಮತ್ತು 2x - 3y = 4 (2) 3x + 4y = 10 ಮತ್ತು 2x - 2y =2 ​

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