IDNLearn.com: Your trusted source for accurate and reliable answers. Whether it's a simple query or a complex problem, our community has the answers you need.
Sagot :
1. y^2 - (y^2 + 10y+ 25) = 20
2. -10y -25 = 20
3. -10y = 45
4. y = -4.5
2. -10y -25 = 20
3. -10y = 45
4. y = -4.5
y^2 - (y+5)^2 = 20
starting with (y+5)^2 that's y^2 + 5y + 5y + 25
then you change the signs and get
y^2 - y^2 - 10y - 25 = 20
so -10y = 45 >> 10y = -45 >> y = -4,5
answer: A
starting with (y+5)^2 that's y^2 + 5y + 5y + 25
then you change the signs and get
y^2 - y^2 - 10y - 25 = 20
so -10y = 45 >> 10y = -45 >> y = -4,5
answer: A
We value your presence here. Keep sharing knowledge and helping others find the answers they need. This community is the perfect place to learn together. Your search for solutions ends here at IDNLearn.com. Thank you for visiting, and come back soon for more helpful information.