Jawab:
A
Penjelasan dengan langkah-langkah:
=
= (x + 5)(2x + 1)
x₁= -5
x₂ = -1/2
uji nilai dari -5 sampai - 1/2
ambil contoh -1
-2(-1)^2 + 11(-1) - 5 =
-2 - 11 - 5 = -18
jadi
++++++++++++ --------------- ++++++++++++++
--------------------(-5)---------------(-1/2)------------------------
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Jawab:
A
Penjelasan dengan langkah-langkah:
=
= (x + 5)(2x + 1)
x₁= -5
x₂ = -1/2
uji nilai dari -5 sampai - 1/2
ambil contoh -1
-2(-1)^2 + 11(-1) - 5 =
-2 - 11 - 5 = -18
jadi
++++++++++++ --------------- ++++++++++++++
--------------------(-5)---------------(-1/2)------------------------