Question

y=-2(x+4)(x+6)

Answer 1

<img src="/cgi-bin/mimetex.cgi?y%20=%20-2%28x+4%29%28x+6%29%20%5C%5C%20y%20=%20-2%28x%5E2%20+10x%20+%2024%29%20%5C%5C%20y%20=%20-2x%5E2%20-20x%20-%2048" title="y = -2(x+4)(x+6) \\ y = -2(x^2 +10x + 24) \\ y = -2x^2 -20x - 48">