Kunci Jawaban Matematika Kelas 9 Halaman 75 Ayo Kita Menalar, Penurunan Rumus Kuadratik

(x + p)^2 + q = 0

(x + p)^2 = -q

X + p = ± √-q

X = -p ± √-q

X = -b/2a ± √(b/2a)^2 – c/a

X = -b/2a ± √b^2/4a^2 – c/a

X = -b/2a ± √b^2/4a^2 – 4ac/4a^2

X = -b/2a ± √b^2 – 4ac / 4a^2 = -b/2a ± √b^2 – 4ac / √4a^2 = -b/2a ± √b^2 – 4ac / 2a

X = -b ± √b^2 – 4ac / 2a

Baca Juga: Kunci Jawaban IPA Kelas 9 Halaman 47 48 49 Uji Kompetensi Bab 1 Sistem Reproduksi pada Manusia K13 Terlengkap