4x + 2x + 15 > 37

“With a step-by-step explanation be specific”

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.

[tex]5 \times1 \frac{12}{13} [/tex] me

Write the equation in general quadratic form: plz !