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(5x-3) (x-1) +2x (x-1)=0
(5x-3)(x-1)+2x(x-1)=0
5x²-5x-3x+3+2x²-2x=0
7x²-10x+3=0
Δ=100-4*7*3=100-84=16
x₁=10+4/14=1
x₂=10-4/14≈0,43
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(5x-3)(x-1)+2x(x-1)=0
5x²-5x-3x+3+2x²-2x=0
7x²-10x+3=0
Δ=100-4*7*3=100-84=16
x₁=10+4/14=1
x₂=10-4/14≈0,43