Math, asked by Jleena8530, 1 year ago

find the value of k, for which one root of the quadratic equation Kx2 - 14 x + 8 = 20 is 2

Answers

Answered by thesingh12345
0
kx^2-14x plus 8 is equal to 20
k(2)^2-14 (2)plus 8 is equal to 20
4k-28 plus 8 is equal to 20
4k-20 is equal to 20
4k is equal to 20 plus 20
4k is equal to 40
k is equal to 40/4
k is equal to 10...
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