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gladu [14]
3 years ago
5

A student simplified the expression (3x^2+2)-(2x^2+4) as x^2+^6 Explain what the student did incorrectly and state the correct a

nswer.
Mathematics
2 answers:
frosja888 [35]3 years ago
7 0

(3x²+2)-(2x²+4)<em> </em>

<em>write in a different form, remove parentheses</em>

3x²+2-2x²-4

<em>calculate the value of the corresponding terms</em>

x²-2

<u>Answer:</u> Yes, he made a mistake.

A simplified expression would look like this x²-2 and not like this x²+^6.

gregori [183]3 years ago
3 0

Answer:

x^2 - 2

Step-by-step explanation:

The correct procedure would have been to distribute the negative to the +4 also, so you would have +2 - 4 = -2 so the final answer should have been

x^2 - 2

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