Question

(5𝑥−1)(𝑥+3)−(𝑥−2)(5𝑥−4)

Answer 1

5x² + 15x - x - 3 - 5x² + 4x + 10x - 8 = 28x -11

Answer 2

\(\left(5x-1\right)\left(x+3\right)-\left(x-2\right)\left(5x-4\right)\)

\(=5x^2+14x-3-5x^2+14x-8\)

\(=28x-11\)