bila (ax-3) (x+b) = (p+1) x2 + 7x - 6 , maka p =
Matematika
baimalma19
Pertanyaan
bila (ax-3) (x+b) = (p+1) x2 + 7x - 6 , maka p =
2 Jawaban
-
1. Jawaban Yusrin091
(ax - 3)(x + b) = (p+1)x^2 +7x - 6
ax^2 +(ab-3)x - 3b = (p+1)x^2 + 7x - 6
** -3b = -6
b = 2
** (ab - 3) = 7
(a(2) - 3) = 7
(2a - 3) = 7
2a = 10
a = 5
** a = p + 1
p + 1 = a
p + 1 = 5
p = 4 -
2. Jawaban MathSolver74
[tex](ax - 3)(x + b) = (p + 1)x^2 + 7x - 6 \\ ax^2 + (ab - 3)x - 3b = (p + 1)x^2 + 7x - 6 \\ - 3b = - 6 \\ b = 2 \\ 2a - 3 = 7 \\ a = 5 \\ maka: \\ a = p + 1 \\ 5 = p + 1 \\ p = 4[/tex]