January 2021 0 57 Report
Bonjour, pouvez-vous aider...merci réduire les expressions

A) 4x²+7x-5-6x²+3x-1=

B) -2x² + 4x -7 + (6x²-2x + 5)=

C= (5x² - 3x)-(3x²-7x+2)
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