2010 · Q95
What are the roots of the equation log₁₀(x²-6x + 45) = 2 ?
Elementary MathematicsAlgebra
- A9, -5
- B-9, 5
- C11, -5
- D-11, 5
Explanation
x²-6x-55=0 gives x=11,-5.
What are the roots of the equation log₁₀(x²-6x + 45) = 2 ?
Explanation
x²-6x-55=0 gives x=11,-5.