SOLUTION: Use the quadratic formula to solve the equation:
What is the solution set?
x^2-5x=-7
Algebra.Com
Question 333764: Use the quadratic formula to solve the equation:
What is the solution set?
x^2-5x=-7
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x^2-5x=-7
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Rearrange:
x^2-5x+7=0
a = 1 ; b = -5 ; c = 7
---
x = [-b+-sqrt(b^2-4ac)]/(2a)
----
x = [5+-sqrt(25-4*7)]/2
---
x = [5+-sqrt(-3)]/2
----
x = [5+-isqrt(3)]/2
=======================
Cheers,
Stan H.
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