9x² = 12 - 3 What kind of standard?
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1
Answer:
9x²= 9
x² = 1
x = +1/-1
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9x2=12-3
9x2=9
X2=1
X=root 1 or 1/-1
9x2=9
X2=1
X=root 1 or 1/-1
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