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4x² - 7x - 15=0 in quadratic formuls |
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Answer» Answer: 4x^2-7x-15=0 4x^2-(12-5)x-15=0 4x^2-12x+5x-15=0 4x(x-3)+5(x-3)=0 (4x+5) (x-3)=0 4x+5=0 x-3=0 x=-5/4 x=3Step-by-step EXPLANATION: |
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