amanda7771
26.08.2020 •
Mathematics
Why isn't A the correct answer? I am having trouble to reason why A is wrong so please help if can!
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Ответ:
d. x = -3
Step-by-step explanation:
÷ (x+8)(x-2) = 0
f(x) / g(x) = 0
Variable x cannot be equal to any of the values −8,2 since division by zero is not defined. Multiply both sides of the equation by (x−2)(x+8).
= 0 ------ square both sides
x + 3 = 0
solve for x:
x = -3
Ответ: