(2x + 1)(2x + 1) or (2x + 1)2 so x = -0.5
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Y = x2 + 4x + 11OK. That's very interesting.Is there a question ?
If the 64 has a minus sign, then the solution is x = +/-5 Simplifying gives 4x squared = 100 ie x squared = 25...
It has two equal solutions of 2
Just the one solution.