Question

(y+0.3)(y-0.3) if y^2=1​

Answer 1

Answer:

;&#$&; $;#;#$€&=, $($$

Step-by-step explanation:

hsbxt÷#^÷&=*,%%¥&=$,#(#*

Answer 2

Answer:

0.91

Step-by-step explanation:

$(y + 0.3)(y - 0.3)$

$y(y + 0.3) - 0.3(y + 0.3)$

${y}^{2} + 0.3y - 0.3y - 0.09$

${y}^{2} - 0.09$

$1 - 0.09$

$0.91$

Hope it helps