Question

4x^2+52x+160=0

Answer 1

x = -52 +- sqr(52^2 - 4 * 4 * 160) / 2 * 4
x = -52 +- 12 / 8

x = -5 or -8

Answer 2

\[ax ^{2} + bx + c = 0, x = (-b \pm \sqrt{b ^{2} - 4ac}) \div 2a\]