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3
x
2
+
8
x
=
0
3{x}^{2}+8x=0
3
x
2
+
8
x
=
0
+
−
.
ln
>
<
×
÷
/
log
≥
≤
(
)
log
x
=
%
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3*x^2+8*x=0
3*x^2+8*x=0
3{x}^{2}+8x=0
1
Factor out the common term
x
x
x
.
x
(
3
x
+
8
)
=
0
x(3x+8)=0
x
(
3
x
+
8
)
=
0
2
Solve for
x
x
x
.
1
Ask: When will
x
(
3
x
+
8
)
x(3x+8)
x
(
3
x
+
8
)
equal zero?
When
x
=
0
x=0
x
=
0
or
3
x
+
8
=
0
3x+8=0
3
x
+
8
=
0
2
Solve each of the 2 equations above.
x
=
0
,
−
8
3
x=0,-\frac{8}{3}
x
=
0
,
−
3
8
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x
=
0
,
−
8
3
x=0,-\frac{8}{3}
x
=
0
,
−
3
8
Done
Decimal Form: 0, -2.666667
x=0,-8/3
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