Question

a2 + 6a + x = (a + 3)2, then the value of x is ?

Answer 1

Answer:

x+a is factor of x4−a2x2+3x−6a

Let p(x)=x4−a2x2+3x−6a

we know that if x−α is a factor of p(x) then p(α)=0

So p(−a)=0

(−a)4−a2(−a)2+3(−a)−a=0

a4−a4−3a−a=0

−4a=0

a=0

Answer 2

Answer:

x = 9

Step-by-step explanation:

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