Step-by-step explanation:
square both sides
expand
simplify
0=x^2+2x-3
Factor
0=(x+3)(x-1)
the possible values for x are -3 and 1
Hope that helps :)
Answer:
6.67 yards is 20 feet. 8 yards is 24 feet. Not quite sure of the question
Step-by-step explanation:
Combine like terms and then simplify