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SHOW YOUR SOLUTIONS

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Sagot :

Answer:

5x+2x

(5x+2x)

7x

3x+5 + 4x-1

add 3x and 4x

7x+5-1

7x+4

x²+12x-8 + 3x²-10x-2

-2x²+12-8-10x-2

-2x²+2x-10

-2 x² -x+5