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2 years ago

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

Mathematics

1 answer:

solniwko [45]2 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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$\quad \huge \quad \quad \boxed{ \tt \:Answer }$

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____________________________________

$\large \tt Solution \: :$

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