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Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth. x^2-21=-4x a. 7,3 b. -7,4 c. 7,-3 d. -7,-3
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Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.

x^2-21=-4x

a. 7,3
b. -7,4
c. 7,-3
d. -7,-3

User Jinu
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1 Answer

4 votes

Answer:D

Step-by-step explanation:the answer is D

User Adora
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