(-5x²) . (+5xy²)
-25x³y²
Resposta:
-25x^3 y^2
[tex]( - 5x {}^{2}).( + 5xy {}^{2}) = \\ ( - 5x {}^{2}) \times( + 5xy {}^{2}) \\ - 5x {}^{2} \times 5xy {}^{2} \\ ( - 5x {}^{2}) \times (5xy {}^{2}) \\ 5x {}^{2} \times 5xy {}^{2}\\ - 5x {}^{2} \times 5xy {}^{2} \\ - 25x {}^{2} \times 5xy {}^{2} \\ - 25x {}^{2 + 1}y {}^{2} \\ - 25x {}^{3}y {}^{2} \\ ( - 5x {}^{2}) \times (5xy {}^{2}) \\ - 25x {}^{3}y {}^{2} \\ resposta \\ - 25x {}^{3}y {}^{2} [/tex]
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(-5x²) . (+5xy²)
-25x³y²
Resposta:
-25x^3 y^2
[tex]( - 5x {}^{2}).( + 5xy {}^{2}) = \\ ( - 5x {}^{2}) \times( + 5xy {}^{2}) \\ - 5x {}^{2} \times 5xy {}^{2} \\ ( - 5x {}^{2}) \times (5xy {}^{2}) \\ 5x {}^{2} \times 5xy {}^{2}\\ - 5x {}^{2} \times 5xy {}^{2} \\ - 25x {}^{2} \times 5xy {}^{2} \\ - 25x {}^{2 + 1}y {}^{2} \\ - 25x {}^{3}y {}^{2} \\ ( - 5x {}^{2}) \times (5xy {}^{2}) \\ - 25x {}^{3}y {}^{2} \\ resposta \\ - 25x {}^{3}y {}^{2} [/tex]