ada yg bisa jawab?????????
Matematika
Farrelcoolz
Pertanyaan
ada yg bisa jawab?????????
1 Jawaban
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1. Jawaban ningsi27
a.10x(2y-10)
= 20y-100
b.(x+5)x (5x-1)
= 5x2-5+25x-5
= 5x2+25-10
c.(7-2x)x (2x-7)
= 14x-49-4x2+14x
=-4x2+28x-49