Bonsoir,
Factoriser:
A = (3x+1)(2x+4)-4x² +16
A=(3x+1)(2x+4)- (4x²- 16)
A= (3x+1)(2x+4)-( 2x-4)(2x+4)
A= (2x+4)( 3x+1- 2x +4)
A= (2x+4)(x+5)
A= 2(x+2)(x+5)
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Bonsoir,
Factoriser:
A = (3x+1)(2x+4)-4x² +16
A=(3x+1)(2x+4)- (4x²- 16)
A= (3x+1)(2x+4)-( 2x-4)(2x+4)
A= (2x+4)( 3x+1- 2x +4)
A= (2x+4)(x+5)
A= 2(x+2)(x+5)