Trigonometry
x2+10x+25=0x^2 + 10x + 25 = 0x2+10x+25=0; x=−5x=-5
(3x−7)2=49 (3x - 7)^2 = 49(3x−7)2=49; x=143,x=0x=\frac{14}{3},x=0
4x2−12x+9=04x^2 - 12x + 9 = 04x2−12x+9=0; x=32x=\frac32
x(x−5)+6=0x(x - 5) + 6 = 0x(x−5)+6=0; x=2,x=3x=2,x=3