Question

(8-y) (8+y) ayuda plis​

Answer 1

Reordenar términos

(8−)(8+)

({\color{#c92786}{8-y}})(8+y)(8−y)(8+y)

(−+8)(8+)

({\color{#c92786}{-y+8}})(8+y)(−y+8)(8+y)

2

Reordenar términos

(−+8)(8+)

(-y+8)({\color{#c92786}{8+y}})(−y+8)(8+y)

(−+8)(+8)

(-y+8)({\color{#c92786}{y+8}})(−y+8)(y+8)

3

Distribuye

(−+8)(+8)

{\color{#c92786}{(-y+8)(y+8)}}(−y+8)(y+8)

−(+8)+8(+8)

{\color{#c92786}{-y(y+8)+8(y+8)}}−y(y+8)+8(y+8)

4

Distribuye

−(+8)+8(+8)

{\color{#c92786}{-y(y+8)}}+8(y+8)−y(y+8)+8(y+8)

−12−8+8(+8)

{\color{#c92786}{-1y^{2}-8y}}+8(y+8)−1y2−8y+8(y+8)

5

Distribuye

−12−8+8(+8)

-1y^{2}-8y+{\color{#c92786}{8(y+8)}}−1y2−8y+8(y+8)

−12−8+8+64

-1y^{2}-8y+{\color{#c92786}{8y+64}}−1y2−8y+8y+64

6

Combina los términos semejantes

−12−8+8+64

-1y^{2}{\color{#c92786}{-8y}}+{\color{#c92786}{8y}}+64−1y2−8y+8y+64

−12+64

-1y^{2}+{\color{#c92786}{64}}−1y2+64

Solución

−12+64