1. 20a⁴b pangkt5 c pngkt7: (4a²b²c³:2abc)= 2. 21p⁴q pngkt5 r³:(8p³qr³:2pqr)= 3. 8pq+24pqr= 4. X²-25 = 5. b²-2b-8 = 6. P²+8p-33 = 7. n²+2n-8 = 8. 3x²+18x+5=
Matematika
azyla2638
Pertanyaan
1. 20a⁴b pangkt5 c pngkt7: (4a²b²c³:2abc)=
2. 21p⁴q pngkt5 r³:(8p³qr³:2pqr)=
3. 8pq+24pqr=
4. X²-25 =
5. b²-2b-8 =
6. P²+8p-33 =
7. n²+2n-8 =
8. 3x²+18x+5=
9. 12m²-8m+6=
10. 6y²-5y-6=
Tolong dibntu pakek cara jalan nya ya kak makasih:)
2. 21p⁴q pngkt5 r³:(8p³qr³:2pqr)=
3. 8pq+24pqr=
4. X²-25 =
5. b²-2b-8 =
6. P²+8p-33 =
7. n²+2n-8 =
8. 3x²+18x+5=
9. 12m²-8m+6=
10. 6y²-5y-6=
Tolong dibntu pakek cara jalan nya ya kak makasih:)
1 Jawaban
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1. Jawaban echaaprilia
7. n²+2n-8 =
(×-2)(×+4)
×-2=0. ×+4=0
×=2. ×=-4