Recall that for 
, we have
Replace 
with 
and we get
Lastly, multiply this by 
, so that
That would be (y - 9)(y +9). When two binomials are multiplied, the distributive property is applied. However, if the equation is <span>y(3)(-3)y(3)(3), you just simply multiply them altogether. That would be -81y^2, which is not equivalent with y^2 - 81.</span>
Answer:
it have two parallel sides
Start off with yes and say how school work is a priority for you and you’d be willing to put in the dedication
