Answer:
11x + 6x^2 -57
Explanation:
(7x2 + 5)(x - 3) + 2x (3x - 4)
1. Multiply 7x2
(14 + 5)(x - 3) + 2x (3x - 4)
2. Add 14+5
(19)(x - 3) + 2x (3x - 4)
3. Distribute 2x to 3x-4
(19)(x - 3) + 6x^2 - 8x
4. Distribute 19 to x-3
19x - 57 + 6x^2 - 8x
5. Simplify.
11x + 6x^2 -57