1)a. (2x + 4y) (3x + y) b. (3x + y) (2x + y) c. (2x - y) (x + 3y) d. (2x - y) (3x - 2y) 2)a.(x + 1) (x + 2) b.(x + a) (x + b) c. (x - 1) (x - 2) d. (x - a) (x -

1. a. (2x+4y)(3x+y)
=6x²+2xy+12xy+4y²
=6x²+14xy+4y²
b. =6x²+3xy+2xy+y²
=6x²+5xy+y²
c. 2x²+6xy-xy-3y²
=2x²+5xy-3y²
d. 6x²-4xy-3xy+2y²
=6x²-7xy+2y²

2. a. x²+2x+1x+2
=x²+3x+2
b. x²-2x-1x+2
=x²-3x+2
c. x²-xb-ax+ab


dijamin bagus semua gan...

1.
A. (2x+4y)(3x+y)
6x²+2xy +12xy +4y²
6x²+14xy+4y²

B. (3x+y)(2x+y)
6x²+3xy+2xy +y²
6x²+5xy +y²

C. (2x-y)(x+3y)
2x²+6xy-xy -3y²
2x²+5xy -3y²

D. (2x-y)(3x-2y)
6x²-4xy -3xy +2y²
6x²-7xy +2y²

2.
A. (x+1)(x+2)
x²+2x+1x+2
x²+3x+2

B. (x+a)(x+b)
x²+bx+ax+ab

C. (x-1)(x-2)
x²-2x-1x+3
x²-3x +3

D. (x-a)(x-b)
x²-bx-ax+ab

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