Does this triangle have a hypotenuse about 39 feet long?
2 answers:
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The final result is, C) 0 only.
We gathered the solutions of b = 0, -4.
b = -4 was not true so we had to remove it from the solution set, and we are left with b = 0 now. You can check this answer by substituting 0 in for b in the original equation. You should get 1 = 1, which is the correct answer.