Sagot :
Réponse:
D=5x*-3x
=x*(5-3)
=x*(2)
=2(x*)
E=16x*-25y*
=(4x)*-(5y)*
=(4x-5y)(4x+5y)
G=3x(2x-5)-3x(4x+2)
=3x((2x-5)-(4x+2))
=3x(2x-5-4x-2)
=3x(-2x-7)
Réponse:
D=5x*-3x
=x*(5-3)
=x*(2)
=2(x*)
E=16x*-25y*
=(4x)*-(5y)*
=(4x-5y)(4x+5y)
G=3x(2x-5)-3x(4x+2)
=3x((2x-5)-(4x+2))
=3x(2x-5-4x-2)
=3x(-2x-7)