Use the completed X diagram to replace the x-term in the trinomial with two x-terms.
x2 + x – 42 = x2 +– 42
Next, use double grouping to factor the four terms.
= x()–(x + 7)
=
To verify, the factors.

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

Asphere has a diameter of 10 in. what is the volume of the sphere?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning