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tigry1 [53]
3 years ago
8

Abdullah expands (x - 3)2 and gets the answer x2 - 9. Describe what he has done wrong.

Mathematics
1 answer:
solniwko [45]3 years ago
4 0

Answer:

He squared the numbers inside without following the appropriate rule

Step-by-step explanation:

<u>what he should have done </u>

<u />(x-3)^2\\= x^2 - 2 *x*3+3^2\\= x^2-6x+9

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A. 2x+y=25; x+y=20
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3 years ago
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