is the x a variable? because it would be impossible to solve with that information. in not then 150
25*2-5*-20
50--100 (negative and negative equal positive)
150
25x2 - 5x - 20 = 0
(5x + 1)(5x - 5) = 0
therefore; x = -1, or x = 1/5
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Logarithmic equation
what is the equation
The equation is "What = ?"
If this value a satisfy the equation, then a is a solution for that equation. ( or we can say that for the value a the equation is true)
"Figure out this mathematical equation" "This is how to figure out an equation" "An equation is something widely used in mathematics."