Sagot :
[tex]E = 5(a-3)\\E= 5a - 5*3\\E = 5a -15\\\\F= -2(2x-4)\\F= -2*2x-(-2)*4\\F= -4x+8\\\\G= 4x(8-6x)\\G= 4x*8-4x*6x\\G= 32x-24x^{2} \\G= -24x^{2} +32x[/tex]
[tex]E = 5(a-3)\\E= 5a - 5*3\\E = 5a -15\\\\F= -2(2x-4)\\F= -2*2x-(-2)*4\\F= -4x+8\\\\G= 4x(8-6x)\\G= 4x*8-4x*6x\\G= 32x-24x^{2} \\G= -24x^{2} +32x[/tex]