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Given: 8x3-12x
Step 1: Divide by x
8x2-12
Step 2: Divide by 4
2x2-3
Step 3: Set it equal to zero
2x2-3=0
Step 4: Add 3 to both sides
2x2=3
Step 5: Divide both sides by 2
x2=3/2
Step 6: Simplify
x2=1.5
Step 7: Square root both sides
x=approx. 1.225
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