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x2 + 4x = x(x+4)
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x2 + 4x = x(x + 4)
2x2 + (5x-4x)2 + (x-x)2 = 2x2 + x2 + 02 = 2x2 + x2 = 3x2
x[x+1] squared Simplified is, to my knowledge, x squared plus ( x + 1) squared
x(4x-2)
This would simplify as 4x-5