What is (4+sqrt(7))(8-sqrt(7)) ?

The solution to (4+sqrt(7))(8-sqrt(7)) is 25+4sqrt(7)

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simplify (4+sqrt(7))(8-sqrt(7))

simplify

(4 + 7) (8 - 7)

25 + 47

Decimal Notation

35.58300 \dots

Solution steps

(4 + 7) (8 - 7)

Apply FOIL method

(4 + 7) (8 - 7) : 25 + 47

= 25 + 47

16 x - 12

\frac{80}{2}

(x - 2 x)^{2}

4 - 81

(2 x + 4)^{2} + 7 (2 x + 4) + 11

What is (4+sqrt(7))(8-sqrt(7)) ?
The solution to (4+sqrt(7))(8-sqrt(7)) is 25+4sqrt(7)