Answer:
x=±3
Step-by-step explanation:
5x²-45=0
5x²=45
5x²/5=45/5
x²=9
√x²=√9
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Answers & Comments
Answer:
x=±3
Step-by-step explanation:
5x²-45=0
5x²=45
5x²/5=45/5
x²=9
√x²=√9
x=±3