contestada

i dont understand how the expression can be expand, can someone tell me step by step (y + 1)(y - 3)
= y(y - 3) + 1(y - 3)
= y2 – 3y + y - 3
= y2 – 2y - 3​

Respuesta :

Jasdawg15
You use foil have to use the foil method
josshyaby

Answer:

Step-by-step explanation:

(y + 1)(y - 3)

= y(y) -3(y) +1(y) -3(1)

= y^2 - 3y + y - 3

= y^2 - 2y - 3

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