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Mashutka [201]
3 years ago
11

Multiply:(square root 10 + 2 square root 8)( square root 10 - 2 square root 8)

Mathematics
2 answers:
kogti [31]3 years ago
7 0
Answer: -22.

Explaination: if you multiply the square root 10+. And Square the root of 8
pantera1 [17]3 years ago
3 0

Answer:

-22

Step-by-step explanation:

We need to multiply the following:

(\sqrt{10} +2\sqrt{8})(\sqrt{10}-2\sqrt{8})

First, we need to FOIL out this expression, then we can simplify it

(\sqrt{10} +2\sqrt{8})(\sqrt{10}-2\sqrt{8})\\\\(\sqrt{10})( \sqrt{10} )+(2\sqrt{8})(\sqrt{10})-(2\sqrt{8})( \sqrt{10})-(2\sqrt{8})(2\sqrt{8}) \\\\10+2\sqrt{80} -2\sqrt{80} -4\sqrt{64} \\\\10-4(8)\\\\10-32\\\\-22

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