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rquelsant
@rquelsant
July 2022
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Quando adicionamos os polinômios 13x² - 11x - 15 e -7x² - 2x + 16, obtemos como soma o polinômio Ax² + Bx + C. Qual é o valor numérico da expressão A + B + C?
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dfilho54
13x^2 - 7x^2 = Ax^2
-11x -2x = Bx
-15 + 16 = C
A= 6
B= -13
C= 1
A+B+C=-6
9 votes
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-11x -2x = Bx
-15 + 16 = C
A= 6
B= -13
C= 1
A+B+C=-6