SOLUTION: solve the equation by making a substituition
x-(7*x^.5)+8 =0
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Question 62564: solve the equation by making a substituition
x-(7*x^.5)+8 =0
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!
Make the substitution
The problem now becomes
Use the quadratic formula with a=1 b=-7 and c=8.
or
Use your calculator to find each of the values for y. Remembering that you would then square each of the y values to find the two possible values for x.
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