✨ Jawaban Terbaik ✨
3(2)
=ax²-ay²-bx²+by²
=a(x²-y²)-b(x²-y²)
=(a-b)(x²-y²)
=(a-b)(x+y)(x-y)
4(1)
=4x²-(y²-2y+1)
=(2x)²-(y-1)²
=(2x+y-1)(2x-y+1)
(3)
=ax²-a+x³-x²
=a(x²-1)+x²(x-1)
=a(x+1)(x-1)+x²(x-1)
=(x-1){a(x+1)+x²}
=(x-1)(x²+ax+a)
(5)
=3x²+2xy+7x-y²+3y+4
=3x²+(2y+7)x-(y²-3y-4)
=3x²+(2y+7)x-(y+1)(y-4)
3\/-(y-4) …-y+4
1/\(y+1) …3y+3
=(3x-y+4)(x+y+1)