Practice problem
Solve for xxx using the quadratic formula: x2+x−1=0x^{2}+x-1=0x2+x−1=0
1±52\dfrac{1 \pm \sqrt{5}}{2}21±5
−1±35\dfrac{-1 \pm \sqrt{3}}{5}5−1±3
−1±52\dfrac{-1 \pm \sqrt{5}}{2}2−1±5
−2±32\dfrac{-2 \pm \sqrt{3}}{2}2−2±3
Type a concept, like “slope” or “photosynthesis”.
