Jawaban:
x² - 12x + 35 = 0
Penjelasan dengan langkah-langkah:
..
x² - 5x - 7x + 35 = 0
(x - 5)(x - 7)
x1 = 5
x2 = 7
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at}}[/tex]
PERs kud dengan akar :
x₁ = 5 dan x₂ = 7
Penyelesaian :
= x × x - x × 7 - 5x - 5 × (-7)
= x × x - x × 7 - 5x + 5 × 7
= x² - 7x - 5x + 5 × 7
= x² - 7x - 5x + 35
= x² - 12x + 35
= x² - 12x + 35 = 0
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Jawaban:
x² - 12x + 35 = 0
Penjelasan dengan langkah-langkah:
x² - 12x + 35 = 0
..
x² - 5x - 7x + 35 = 0
(x - 5)(x - 7)
..
x1 = 5
x2 = 7
[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at}}[/tex]
PERs kud dengan akar :
x₁ = 5 dan x₂ = 7
Penyelesaian :
(x - 5)(x - 7)
= x × x - x × 7 - 5x - 5 × (-7)
= x × x - x × 7 - 5x + 5 × 7
= x² - 7x - 5x + 5 × 7
= x² - 7x - 5x + 35
= x² - 12x + 35
= x² - 12x + 35 = 0