Jawaban:
x²+15x-36= 0
Penjelasan dengan langkah-langkah:
x1+x2= -5/1= -5
x1x2= -4/1= -4
x²-(3x1+3x2)x+(3x1)(3x2)= 0
x²-(3(x1+x2))x+9x1x2= 0
x²-(3(-5))x+9(-4)=0
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Jawaban:
x²+15x-36= 0
Penjelasan dengan langkah-langkah:
x1+x2= -5/1= -5
x1x2= -4/1= -4
x²-(3x1+3x2)x+(3x1)(3x2)= 0
x²-(3(x1+x2))x+9x1x2= 0
x²-(3(-5))x+9(-4)=0
x²+15x-36= 0