(x-3)²-4(x+2)=25
x²-6x+9-4x-8-25=0
x²-10x-24=0
Δ=100+96=196
√Δ=14
x1=10-14/2=-4/2=-2
x2=10+14/2=24/2=12
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(x-3)²-4(x+2)=25
x²-6x+9-4x-8-25=0
x²-10x-24=0
Δ=100+96=196
√Δ=14
x1=10-14/2=-4/2=-2
x2=10+14/2=24/2=12