
Divide both sides by 25 to isolate x:
f(5) means to replace x in the equation with 5 then solve.
f(x) = x^2 +2x
f(5) = 5^2 + 2(5)
f(5) = 25 +10
f(5) = 35
The answer is D)35
Finding the perimetre: 7x+4x-3+x=12x-3
Good luck!
Answer:
27
Step-by-step explanation:
Answer:
answer is 10000
Step-by-step explanation:
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