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solve for x find k 3 is a solution of 3x + (k-3)x+9=0

Posted by Md Danish Siddiqui 5 years ago

CBSE > Class 10 > Mathematics

2 answers

Mebanangtei Kshiar 5 years ago

Find the cubic of polynomial given number as zeroes

Yogita Ingle 5 years ago

If x = 3

then 3x + (k-3)x+9=0

3(3) +( k - 3)3 + 9 =0

9 + 3k - 9 + 9 =0

3k = -9

k =-9/3 = -3

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