Question - Algebraic Expression Evaluation

For the expressions given:

1. \(4(y-2) = 4y - 8\)

2. \(5f(2f+7) = 10f^2 + 35f\)

3. \((5x-4)(2x+3) = 10x^2 + 15x - 8x - 12 = 10x^2 + 7x - 12\)