solve by factorisation. 9xsquare-3x-20
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ASweety1431:
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Answered by
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Hiii mate !!!!
Here is your answer
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= 9x² - x(15 - 12) - 20
= 9x² - 15x + 12x - 20
= 3x(3x - 5) + 4(3x - 5)
= (3x - 5) (3x + 4)
_______________________
Here is your answer
____________________
= 9x² - x(15 - 12) - 20
= 9x² - 15x + 12x - 20
= 3x(3x - 5) + 4(3x - 5)
= (3x - 5) (3x + 4)
_______________________
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