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solution 1:
9(3x+1)^2 =4(x-1)^2
3(3x+1) =±2(x-1)
7x=-5 or 11x =-1
x=-5/7 or -1/11
solution 2:
9(3x+1)^2 =4(x-1)^2
81x^2 +54x +9 = 4x^2-8x+4
77x^2 +62x +5=0
(7x+5)(11x+1) =0
x=-5/7 or -1/11
9(3x+1)^2 =4(x-1)^2
3(3x+1) =±2(x-1)
7x=-5 or 11x =-1
x=-5/7 or -1/11
solution 2:
9(3x+1)^2 =4(x-1)^2
81x^2 +54x +9 = 4x^2-8x+4
77x^2 +62x +5=0
(7x+5)(11x+1) =0
x=-5/7 or -1/11
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9(3x+1)²=4(x-1)²
1.9(3x+1)²-4(x-1)²=0
[3(3x+1)+2(x-1)][3(3x+1)-(2(x-1)]=0
(11x+1)(7x+5)=0
x1=-1/11 x2=-5/7
1.9(3x+1)²-4(x-1)²=0
[3(3x+1)+2(x-1)][3(3x+1)-(2(x-1)]=0
(11x+1)(7x+5)=0
x1=-1/11 x2=-5/7
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