factorize it.
x2 - 21x + 90
please help .!!
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factorize it.x2 - 21x + 90please help .!!
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Step-by-step explanation:
x2 - 21x + 90
= x2 - (15+6)x + 90
= x2 - 15x - 6x + 90
=x (x - 15) - 6 (x - 15)
= (x - 15) (x - 6)
Hope it will help......
Answer:
Hi kha h
ky huya h
I m waiting for you