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nadezda [96]
3 years ago
15

Expand and simplify (X+7)(x-9)

Mathematics
1 answer:
Lorico [155]3 years ago
5 0

Answer:

X²+16x-63

Step-by-step explanation:

expand out the brackets to get:

X²+9x+7x-63

simplify:

X²+16x-63

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