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Sagot :

Explications étape par étape

A = ( 3x + 4 )( 2x + 2 )

A = 6x² + 6x + 8x + 8

A = 6x² + 14x + 8

B = ( x + 2 )( x - 1 )

B = x² - x + 2x - 2

B = x² + x - 2

C = 652 000 000

C = 6,52 x 10^7

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