Question

Can someone please help me with this expanding brackets problem ? Quick ! I will give 20 points :)

Answer 1

Step-by-step explanation:

$(x + 1)(x - 6)(x + 7)$

${x}^{2} - 6x + x - 6(x + 7)$

${x}^{3} + 7x - 6 {x}^{2} - 42x + {x}^{2} + 7x - 42$

${x}^{3} - 5x {}^{2} - 35x - 42$