Question
1) Développer et réduire les expressions suivantes.
A = ( x + 9)(3 - 2x ) B = ( 2x - 1 )( x2 + 3 ) C = 3t ( t + 1 ) + ( 5 + t)(t - 2)
2) Factoriser les expressions suivantes.
D= 5x + 2x+ 10x E= 4x^2 + 7x F= 9x^ (x+1) + 6x (5+ x)
A = ( x + 9)(3 - 2x ) B = ( 2x - 1 )( x2 + 3 ) C = 3t ( t + 1 ) + ( 5 + t)(t - 2)
2) Factoriser les expressions suivantes.
D= 5x + 2x+ 10x E= 4x^2 + 7x F= 9x^ (x+1) + 6x (5+ x)
Asked by: USER9778
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283 Answers
Answer (283)
Bonjour
A=(x+9)(3-2x)
A=3x-2x²+27-18x
A=-2x²-15x+27
B=(2x-1)(2x+3)
B=4x²+6x-2x-3
B=4x²+4x-3
C=3t(t+1)+(5+t)(t-2)
C=3t²+3t+5t-10+t²-2t
C=4t+6t-10
2)
E=4x²+7x
E=x(4x+7)
A=(x+9)(3-2x)
A=3x-2x²+27-18x
A=-2x²-15x+27
B=(2x-1)(2x+3)
B=4x²+6x-2x-3
B=4x²+4x-3
C=3t(t+1)+(5+t)(t-2)
C=3t²+3t+5t-10+t²-2t
C=4t+6t-10
2)
E=4x²+7x
E=x(4x+7)