Question

Expand using foumula
(y+2/5)(y-4/5)​

Answer 1

Answer:

$(y + \frac{2}{5} )(y - \frac{4}{5} ) \\ \\ = y {}^{2} - \frac{2y}{5} - \frac{8}{25}$

Answer 2

(y+2/5) (y-4/5)

(y+2) (y-4) /25

(y²-4y+2y-8) /25

y²-2y-8/25