Sagot :
Bonsoir,
B = x (2x + 7) - 5( 6 + x)
= 2x² +7x -30-5x
= 2x² +2x -30
Bjr
B = x(2x+7)-5(6+x)
B = 2x²+7x-5(6+x)
B = 2x²+7x-30-5x
B = 2x²+2x-30
Voilà !
Bonsoir,
B = x (2x + 7) - 5( 6 + x)
= 2x² +7x -30-5x
= 2x² +2x -30
Bjr
B = x(2x+7)-5(6+x)
B = 2x²+7x-5(6+x)
B = 2x²+7x-30-5x
B = 2x²+2x-30
Voilà !