Simplify x^2+4x-3

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Rod · Answer 1 · 2020-03-24T21:35:30+0000

x²+4x-3=0? x²+4x+4-3=4, (x+2)²-3=4, (x+2)²-7=0, (x+2-√7)(x+2+√7)=0.

So x=-2+√7 and -2-√7 are the roots or zeroes.