Asked by htht
Which equation can be rewritten as x + 4 = x2? Assume x greater-than 0
StartRoot x EndRoot + 2 = x
StartRoot x + 2 EndRoot = x
StartRoot x + 4 EndRoot = x
StartRoot x squared + 16 EndRoot = x
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Answered by
GPT-5 mini
AI
The equation sqrt(x + 4) = x.
Reason: Squaring both sides gives x + 4 = x^2. (With x > 0 the squaring is valid; solving gives x = (1 ± √17)/2, and only the positive root (1 + √17)/2 satisfies the original.)
Reason: Squaring both sides gives x + 4 = x^2. (With x > 0 the squaring is valid; solving gives x = (1 ± √17)/2, and only the positive root (1 + √17)/2 satisfies the original.)
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