find the factor of polynomial. 1. 5x²-22x-15=0
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find the factor of polynomial. 1. 5x²-22x-15=0
Answered by
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Answer:
-3/5 and 5
Step-by-step explanation:
5x² - 22x - 15 = 0
5x² - 25 x + 3x - 15 = 0
5x ( x -5 ) + 3 ( x -5 ) = 0
5x + 3 = 0 and x -5 = 0
x = -3/5 or 5
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