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1 vote
Find the H.C.F of x² - 3x ,x² - 9​

User ThatChris
by
5.9k points

2 Answers

3 votes
x²-3x=x(x-3)
x²-9=x²-3²=(x-3)(x+3)
∴the highest common factor of x²-3x and x²-9 is x-3

Hope my answer helped u :)
User Diceyus
by
6.1k points
3 votes
x^2-3x = x(x-3)
x^2-9 = x^2 - 3^2 = (x-3)(x+3)
HCF = x-3
User Orjanp
by
6.5k points
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