4x² + 7x²
a² + a²
x² - x²
12b² - 5b²
2y² - 3y²
Ayuda porfa doy corona
a² + a²
x² - x²
12b² - 5b²
2y² - 3y²
Ayuda porfa doy corona
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Respuesta:
4x² + 7x²
(4+7)x²
= 11x²
a² + a²
(1+1)a²
= 2a²
x² - x²
(1+1)x²
= 2x²
12b² - 5b²
(12-5)b²
= 7b²
2y² - 3y²
(2-3)y²
= -y²