Final answer:
The expression 25–√+35–√−35 is equivalent to 25 - 2√(35).
Step-by-step explanation:
The expression 25–√+35–√−35 can be simplified by applying the distributive property. We can start by combining like terms.
25 - √(70) = 25 - √(35 + 35) = 25 - 2√(35)
Therefore, the expression 25–√+35–√−35 is equivalent to option C, 25 - 2√(35).