Yefim S. answered • 11/24/20

Math Tutor with Experience

Domain: 3 - x > 0 and 4 - x> 0; x <3 and x < 4. Common x < 3.

(3 - x)(4 - x) = 3·2^{2}; x^{2} - 7x = 0, x(x - 7) = 0. From here x = 0 or x = 7. We regect 7 because it not in domain

Left only x = 0