Question

k x² - 30x+k, if x=2 is the factor of polynomial find k​

Answer 1

Answer:

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ᴋx^2 - 30x + ᴋ

[ x = 2 ]

ᴋ*2^2 - 30*2 + ᴋ

ᴋ*4 - 60 + ᴋ

4ᴋ - 60 + ᴋ

5ᴋ - 60

5ᴋ = 60

ᴋ = 12 ✓