Solving quadratic equation by completing the square 1.x²+6x+5=0
Answer (1)
x²+6x+5=0x²+6x=-5x²+6x+9=9-5x²+6x+9=4(x-3)²=4x-3=±√4x-3=±2x=3±2x=3+2 x=3-2x=5 x=1
x²+6x+5=0x²+6x=-5x²+6x+9=9-5x²+6x+9=4(x-3)²=4x-3=±√4x-3=±2x=3±2x=3+2 x=3-2x=5 x=1
