(4x+3)² - (3x-1)² = 0
16х²+24х+9 - (9х²-6х+1) =0
16х²+24х+9 - 9х²+6х-1 =0
7х²+30x+8=0
D=900 - 224= 676
x₁ = (-30+26)/14= -2/7
x₂=(-30 -26)/14 =- 4
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(4x+3)² - (3x-1)² = 0
16х²+24х+9 - (9х²-6х+1) =0
16х²+24х+9 - 9х²+6х-1 =0
7х²+30x+8=0
D=900 - 224= 676
x₁ = (-30+26)/14= -2/7
x₂=(-30 -26)/14 =- 4