If (x-3)is a factor of x² + kx – 15 .find the value of k.
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value of x is 3
therefore x^2+kx-15
is 9+3k-15=0
9x+3k=15
3k=15-9
3k=6
k=6/3
k=2....
hope it helps you
therefore x^2+kx-15
is 9+3k-15=0
9x+3k=15
3k=15-9
3k=6
k=6/3
k=2....
hope it helps you
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