Question

Find the value of a x+3 is a factor of x + 3x + 4x + a.​

Answer 1

Answer:

first x+3 is a factor then

we can write it as x+3 = 0

=> x = -3

by putting it in

x+3x+4x+a = 0. (because it's factor is given then it whole value equal to zero)

=> -3-9-12+a = 0

=> -3-9-12+a = 0=> -24+a = 0

=> -3-9-12+a = 0=> -24+a = 0=> a = 24 ANS

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