Simplify 1. (7+√2)^2
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Answered by
1
Rewrite
(
√
7
−
2
)
2
as
(
√
7
−
2
)
(
√
7
−
2
)
.
(
√
7
−
2
)
(
√
7
−
2
)
Expand
(
√
7
−
2
)
(
√
7
−
2
)
using the FOIL Method.
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√
7
√
7
+
√
7
⋅
−
2
−
2
√
7
−
2
⋅
−
2
Simplify and combine like terms.
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11
−
4
√
7
The result can be shown in multiple forms.
Exact Form:
11
−
4
√
7
Decimal Form:
0.41699475
…
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