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OpenStudy (anonymous):
What must be added to 3x -7 to make x2 + 4x -1?
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OpenStudy (tkhunny):
Have you considered subtraction?
OpenStudy (anonymous):
This clearly means: \[3x - 7 + A = x^2 + 4x - 1\] Where \(A\) is the quantity that must be added to get the desired.. Can you find \(A\) ??
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