5(x – 1) + 2(x + 3) + 6 = 0 *
2 points
Answers
Answered by
0
Step-by-step explanation:
Explanation:
x
2
3
−
5
x
1
3
+
6
=
0
Let
y
=
x
1
3
, and then the equation becomes a quadratic in
y
y
2
−
5
y
+
6
=
0
(
y
−
2
)
(
y
−
3
)
=
0
y
−
2
=
0
⇒
x
1
3
=
2
⇒
x
=
8
y
−
3
=
0
⇒
x
1
3
=
3
⇒
x
=
27
Answered by
0
Answer:
5x - 5 + 2x +6 + 6 = 0
7x + 7 = 0
x = -1
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