(3x-2)²=8(x+1)²-100
9x²-12x+4=8(x²+2x+1)-100
9x²-12x+4=8x²+16x+8-100
x²-28x+96=0
D=28²-4.1.96=784-384=400, √D=√400=20
x1=(28+20)/2=48/2=24
x2=(28-20)/2=8/2=4
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(3x-2)²=8(x+1)²-100
9x²-12x+4=8(x²+2x+1)-100
9x²-12x+4=8x²+16x+8-100
x²-28x+96=0
D=28²-4.1.96=784-384=400, √D=√400=20
x1=(28+20)/2=48/2=24
x2=(28-20)/2=8/2=4