Answer:
x=−4+√13 or x=−4−√13
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Step-by-step explanation:
Use KMF (Keep multiply flip)
keep the first fraction as it is
change sign to multiplication
flip numerator and denominator of last fraction
then finish
6. 300
7. 20
9. 300
10. 800
12. 800
13. 700
15. 700
16. 700
.
24/6 = 4
Each box has 4 ribbons.
4+4+4 = 12-4 = 8
Together, 3 boxes hold 8 more ribbons than 1 box