(2x+5)(2×-5)= pake cara
Matematika
fina502
Pertanyaan
(2x+5)(2×-5)=
pake cara
pake cara
1 Jawaban
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1. Jawaban diyaaann2
(2x+5)(2x-5)
2x . 2x = 4x²
2x .-5 = -10x
5 . 2x = 10x
5 . -5 = -25
maka
4x²-10x+10x-25 = 4x² -25
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