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CBSE Class 9 Answered

factorise 2x² + x - 45 = 0
Asked by artigupta0766 | 12 Oct, 2023, 23:47: PM
answered-by-expert Expert Answer
2 straight x ² space plus space straight x space minus space 45 space equals space 0 2 straight x ² space plus space 10 straight x space minus space 9 straight x space minus space 45 space equals space 0 2 straight x open parentheses straight x plus 5 close parentheses minus 9 left parenthesis straight x plus 5 right parenthesis space equals space 0 open parentheses 2 straight x minus 9 close parentheses open parentheses straight x plus 5 close parentheses equals 0 straight x equals 9 over 2 straight x equals negative 5
Answered by Arun | 13 Oct, 2023, 10:12: AM

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