1 answer:
Answer:
x^2+9x+8
Step-by-step explanation:
Expand the following:
(x + 1) (x + 8)
(x + 1) (x + 8) = (x) (x) + (x) (8) + (1) (x) + (1) (8):
x x + 8 x + x + 8
x x = x^2:
x^2 + 8 x + x + 8
Grouping like terms, x^2 + 8 x + x + 8 = x^2 + (8 x + x) + 8:
x^2 + (8 x + x) + 8
8 x + x = 9 x:
Answer: |
| x^2 + 9 x + 8
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