The triangle is a scalene and achte triangle simce the sides are not the same length and the angles are less than ninety degree.
IM going to assume that the "2" is to be squared. If so, then the answer is 2(15x^2+8)
This is your answer and for the multiplication I gave it to you step by step
62 is the awnser for this
Answer:
5a-3b+12c
Step-by-step explanation:
(2a - 3b + 5c) - (-3a - 7c)
Distribute the minus sign
2a -3b +5c +3a +7c
Combine like terms
5a-3b+12c