completa las igualdades:
( ?-2z)²=25x²-?+4z²
(3x+?)² =? +?+1
respuesta xfavor
( ?-2z)²=25x²-?+4z²
(3x+?)² =? +?+1
respuesta xfavor
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Verified answer
Explicación paso a paso:
Formula de binomio al cuadrado:
(a ± b)² = a² ± 2ab + b²
Completa las igualdades:
(5x-2z)² = 25x²-20xz+4z²
(3x+1)² = 9x²+6x+1