What is the value of 3x^2 + 5x + 25 when x = 3
2 answers:
You might be interested in
Answer: a = 8; b = 15; c = 17
Step-by-step explanation:
c = b + 2 and c = 2a + 1
b = c − 2 and a =
c² = b² + a²
c = 1 or c = 17
If c = 1 then b = 1 - 2 = -1, that's not possible
So x = 17
b = 17 - 2 = 15
a =
Length sides of the triangle are 17 cm, 15 cm and 8 cm.
I saw some of this on a site but I want to make sure its correct so we're gonna apply the pythagorean theory and see if its correct.
This shows that this is correct.
Hope this helped! Again, some of this was from a site, not from me.