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Paul [167]
2 years ago
12

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

Mathematics
1 answer:
eimsori [14]2 years ago
7 0

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

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