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= 126 ÷ 36
126 ∠36
180 3,5
0
(18x7) ÷ (9x4) = 3,5
7. dividendo ÷ divisor = cociente
dividendo = divisor * cociente
dividendo = (x+3) * (x+9)
dividendo = x^2 + 9x + 3x + 27
dividendo = x^2 + 12x + 27
comprobación:
x^2 + 12x + 27 ∠(x+3)
-x^2 - 3x x + 9
9x + 27
- 9x - 27
0