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Q10. Using suitable identity find the product of (3x +4) (3x - 5) |
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Answer» Answer: 9x² -x -20 Step-by-step EXPLANATION: (x + a)(x + b) Now: (3x + 4)(3x -5) = (3x)² + ( 4 + (-5))x + 4 (-5) = 9x² - x - 20 |
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