If x+2 is a factor of x^2+bx+b what is the value of b
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Answer:
b = 4
Step-by-step explanation:
If (x+2) is a factor of x^2+bx+b = 0, then x = -2 should satisfy the equation
therefore (-2)^2-2b+b = 0
i.e. b = 4
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