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(2x-3)(5x+1)=(2x+2)(5x-9)
Multiplicamos:
10x^2+2x-15x+3=10x^2+10x-18x-18
2x-15x-10x+18x=-18+3
-5x=-15
x=15/5
x=3
Entonces, los dos lados desconocidos son:
5x-9=5(3)-9=15-9=6
2x-3=2(3)-3=6-3=3