Math, asked by gunpreetkaur82, 3 months ago

add : 3 + 5 -√ 7 and - 8 - 9 √ 7

Answers

Answered by ms6211173

1

Answer:

15.5830005244258 it is the answer

Answered by nariseamalavathi

0

$3 + 5 - \sqrt{7} + ( - 8 - 9\sqrt{7}) \\ = 8 - \sqrt{7} - 8 - 9 \sqrt{7} \\ = 8 - 8 - \sqrt{7} - 9 \sqrt{7} \\ = - 10 \sqrt{7}$

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