Jika x^5+5x^4+3x+2=x^5+5x^4+9x-22, mka x=...
Matematika
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Pertanyaan
Jika x^5+5x^4+3x+2=x^5+5x^4+9x-22, mka x=...
1 Jawaban
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1. Jawaban prakow
x^5 + 5x^4 + 3x + 2 = x^5 + 5x^4 + 9x - 22
pindahkan ruas kanan ke kiri
x^5 - x^5 + 5x^4 - 5x^4 + 3x - 9x + 2 + 22 = 0
-6x + 24 = 0
-6x = -24
-x = -24/6
-x = -4
x = 4