Here is morgan's solution to this problem. 6,404 + 2,857 = 9,261 which expression could morgan use to check her work? a. 9,261 + 2,857 b. 6,404 – 2,857 c. 9,261 + 6,404 d. 9,261 – 2,857

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]