5V2 + V3 – 3V2 +6V3
(5V2 – 3V2) +(V3+673)
2V2 +6V3
Your answer
Is this the right answer

Find the solutions for a triangle with a =16, c =12, and b = 63º

If f(x) = 4x – 3 and g(x) = 8x + 2, find each function value a.f[g(3)] b.g[f(5)] c.g{f[g(-4)]}

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.