(x-2)(x+5)+3x(x-4)=7 a= b= c= (x-2)(4x+5)-2x(x-4)=-5 a= b= c= (-x+2)(5x-25)=-2x(x-4)+7 a= b= c= 3x+(5x-3)(2x-4)=-x(-x-4)-1 a= b= c= 2x+(5x-3)2=-x(-4x+1)-5x2 a= b= c= 3x-(5x-3)=-x(-x-4)+1 a= b= c= -3(2x-4)=(-4x-4)2-1 a= b= c= 3x-(5x-3)(2x-4)=-x-4 a= b= c= x-(5-3x)2=-x(-2x+4)-10 a= b= c= -2x-(x-7)(2x+1)=-x+(-5x+1)+4x a= b= c= x-3x(x+1)=-(-5x+1)2+4x2 a= b= c= x-x(x-3)=-(-5x)2-5x2 a= b= c= (x-2)(x+2)=(2x+1)2-5x a= b= c= 6x(x+1)=-4(-x-1)+x2+5 a= b= c= x2+x(2x-1)=-(x+1)2+4x2 a= b= c= -2x2-x(2x-1)=-(x-2)2+x2 a= b= c= |