Question

解方程,要有具体步骤2(2x－1)^2－8(x－1)(3＋x)＝34

Answer 1

2(2x－1)^2－8(x－1)(3＋x)＝34

2(4x^2-4x+1)-8(x^2+2x-3)=34

8x^2-8x+2-8x^2-16x+24=34

-8x-16x=34-24-2

-24x=8

x=-8/24

x=-1/3