Respuesta :
Answer=
= − 3 ± [tex]\sqrt{}69[/tex]
Step-by-step explanation:
Combine multiplied terms into a single fraction
Combine exponents
Multiply all terms by the same value to eliminate fraction denominators
Simplify
Move terms to the left side
Answer:
6
Step-by-step explanation:
you combine the Xś for an equation of 5x-9=21 then you add 9 to the minus 9 and the 21 to get 5x=30 you then divide 5 on each side to get x=6