find k if x+3 is a factor of 3xsq+kx+6
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x + 3 is factor
then ,
x = - 3 will b the roots of the equation.
3x² + kx + 6 = 0
3 ( - 3 )² - 3k + 6 = 0
27 - 3k + 6 = 0
33 = 3k
11 = k
then ,
x = - 3 will b the roots of the equation.
3x² + kx + 6 = 0
3 ( - 3 )² - 3k + 6 = 0
27 - 3k + 6 = 0
33 = 3k
11 = k
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