bardzo łatwe zadanie - rozwiąż równanie.
32+x=x*(8+x)
* - razy
32+x=8x+x²
-x²-7x+32=0
Δ=b²-4ac=49-4*(-1)*32=49+128=177
x₁=(-b-√Δ)/2a=(7-√177)/-2
x₂=(-b+√Δ)/2a=(7+√177)/-2
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32+x=x*(8+x)
32+x=8x+x²
-x²-7x+32=0
Δ=b²-4ac=49-4*(-1)*32=49+128=177
x₁=(-b-√Δ)/2a=(7-√177)/-2
x₂=(-b+√Δ)/2a=(7+√177)/-2