find the value of k , if x+2 is a factor of p x =
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using factors theorem
x = - 2
4x^2 + 9x + K = 0
4 ( - 2 )^2 + 9 ( -2 ) + K = 0
16 - 18 + K = 0
k = 2
x = - 2
4x^2 + 9x + K = 0
4 ( - 2 )^2 + 9 ( -2 ) + K = 0
16 - 18 + K = 0
k = 2
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px=yx^2+9x+k
x+2is the factor of px
so,x=-2
so,px= y×-2^2+9×-2+k=0
4y-18+k=0
4y+k=18
y+k=18/4
k=4.5-y
hope it will be
x+2is the factor of px
so,x=-2
so,px= y×-2^2+9×-2+k=0
4y-18+k=0
4y+k=18
y+k=18/4
k=4.5-y
hope it will be
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