Answer:
this algrebraic expression
Answer: -3x is a term
Step-by-step explanation: Any number that has a variable after it is a term. Another way to look at it is any grouping of a number and a variable. If the number stands alone, it's not a term, and if it is being added to something, it is an equation.
You add half of the coefficient of x and square it.
What you do on one side,you must do it on the other.
<span>x^2+4x-1/(x+2)^2=0
x^2 + 4x - 1 = 0
</span>

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where a = 1, b = 4 and c = -1
Undefined has a 0 in the denominator and a slope of 0 has 0 as the numerator