what the answer 4x²-3=9
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Answer:
x=+-(plus minus) 2_/1
Step-by-step explanation:
4x²-3=9
4x²=12 (add 3 to both sides.)
x=3 (divide both sides by 4.)
x=+-(plus minus, plus overlaps the minus) _/3
x=+- _/4.1
x=+- 2_/1