Factorize 9a^3 - 27a^2 -100a + 300 if (3a + 10) is a factor of it.
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9a^3 - 27a^2 - 100a + 300
= 9a^2 (a - 3) - 100(a-3)
= (a-3)(9a^2 - 100)
= (a-3)[ (3a)^2 - 10^2]
= (a-3)(3a+10)(3a-10)
= 9a^2 (a - 3) - 100(a-3)
= (a-3)(9a^2 - 100)
= (a-3)[ (3a)^2 - 10^2]
= (a-3)(3a+10)(3a-10)
laqshya02:
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Answer: here is your answer .,.......hope it helps!!
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