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a(x+y)=ax+ay x2﹣4x+4=x(x﹣4)+4 10x2﹣5x=5x(2x﹣1) x2﹣16+3x=(x﹣4)(x+4)+3x
a(x-y)=ax-ay x2+2x+1=x(x+2)+1 (x+1)(x+3)=x2+4x+3 x3-x=x(x+1)(x-1)
(x+2)(x-2)= —4 12ab=3a••4ab 4x—8x—1 = 4x(x—2)—1 2ax—2ay = 2a(x—y)
a(x-y)=ax-ay x2+2x+1=x(x+2)+1 (x+1)(x+3)=x2+4x+3 x3-x=x(x+1)(x-1)
a(x-y)=ax-ay x2+2x+1=x(x+2)+1 (x+1)(x+3)=x2+4x+3 x3-x=x(x+1)(x-1)
a(x﹣y)=ax﹣ay x2﹣2x+3=x(x﹣2)+3 =x2+3x﹣4 x3﹣2x2+x=x(x﹣1)2
ax2﹣ay2=a(x2+y2) x2+2x+1=x(x+2)+1 (x+y)(x﹣y)=x2﹣y2 x2+4x+4=(x+2)2
a(x+y)=ax+ay; x2-4x+4=x(x-4)+4; 10x2-5x=5x(2x-1); x2-16+3x=(x+4)(x-4)+3x
a(x+y)=ax+ay x2-4x+4=x(x-4)+4 10x2-5x=5x(2x-1) x2-16+6x=(x+4)(x-4)+6x
(x+3)(x-2)=x2+x-6 ax-ay-1=a(x-y)-1 8a2b3=2a2·4b3 x2-4=(x+2)(x-2)
a(x﹣y)=ax﹣ay x2+2x+1=x(x+2)+1 x3﹣x=x(x+1)(x﹣1) (x+1)(x+3)=x2+4x+3
a(x﹣y)=ax﹣ay x2+2x+1=x(x+2)+1 (x+1)(x+3)=x2+4x+3 x3﹣x=x(x+1)(x﹣1)
8x2y-24xy2=8xy(x-3y); ax+bx+ay+by=x(a+b)+y(a+b) 12x2y+14x2y2-2xy=2xy(6x+7xy-1); x3-8=(x-2)(x2+2x+4)