Use the quadratic formula to solve exactly for :

MATHEMATICS · Multi-part · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

Use the quadratic formula to solve exactly for xx: (1) x2−4x−3=0x^2-4x-3=0 (2) x2+6x+7=0x^2+6x+7=0 (3) x2+1=4xx^2+1=4x (4) x2+4x=1x^2+4x=1 (5) x2−4x+2=0x^2-4x+2=0 (6) 2x2−2x−3=02x^2-2x-3=0 (7) 3x2−5x−1=03x^2-5x-1=0 (8) −x2+4x+6=0-x^2+4x+6=0 (9) −2x2+7x−2=0-2x^2+7x-2=0

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