Question

productos notables

1: (2x+5y)²
2:(4x+5y)²
3:(5m+10)²
4:(9a+3b)²

!!DOY CORONITA¡¡​

Answer 1

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${4 \times }^{2} + 20xy + {25y}^{2}$

${16 \times }^{2} + 40xy + {25y}^{2}$

${25 \times }^{2} + 100m + {100}^{2}$

${81 \times }^{2} + 54ab + {9b}^{2}$

creo que así es

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