Respuesta:
1) x²+7x+10 = x²+70
2) m²-15m+54= (m-6)+(m-9)
3) a²+2axy-440x²y²= (a+22xy) x (a-20xy)
:^
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Respuesta:
1) x²+7x+10 = x²+70
2) m²-15m+54= (m-6)+(m-9)
3) a²+2axy-440x²y²= (a+22xy) x (a-20xy)
:^