Question

Ada yg bisa no 1? dibantu ya:) makasih

Answer 1

X2(x1+1) = -2
x1.x2+x2 = -2
x1.x2 = c/a = -p
-p + x2 = -2 maka x2 = p-2

x1 + x2 = -b/a = p+2
x1 = p+2-x2 = p+2 - ( p-2) = 4
x1 = 4

x1.x2 =  - p
4(p-2) = -p
4p - 8 = -p
5p = 8
maka p = 8/5 jawaban D