Question

solve the quadratic equation by using graph : x2+4x-2=0

Answer 1

$x \times 2 + 4x - 2 = 0 \\ 2x + 4x - 2 = 0 \\ 6x - 2 = 0 \\ 6x = 2 \\ x = 2 \div 6 \\x = 1 \div 3 \\ x = 0.33(approx)$