NOTA
ab + ac + bd + cd
= a(b + c) + d(b + c)
= (b + c)(a + d)
Contoh 1: Faktorkan selengkapnya ungkapan algebra berikut
xy + 2x + 3y +6
Penyelesaian
xy + 2x + 3y +3x2
= x(y + 2) + 3(y + 2)
= (y + 2)(x + 3)
Contoh 2: Faktorkan selengkapnya ungkapan algebra berikut
2mn - 4mp - 3qn + 6qp
Penyelesaian
2mn - 4mp - 3qn + 6qp
= 2m(n - 2p) -3q(n - 2p)
= (n - 2p)(2m - 3q)
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ReplyDeletea²-5(a+5)-(3-2a)