Question

3x² +2( x +2 ) - 3x² - ( 2x +1 )
please tell full explanation​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Step-by-step explanation:

$3x {}^{2} + 2(x + 2) - 3x {}^{2} - (2x + 1) \\ 3x {}^{2} + 2x + 4 - 3x {}^{2} - 2x - 1 \\ 3x {}^{2} - 3x {}^{2} + 2x - 2x + 4 - 1 \\ 0 + 0 + 4 - 1 \\ 4 - 1 = 3$

so the answer is 3.

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