Math, asked by shahanajthongan, 10 months ago

Simplify 7 root 5 - 2 root 2 whole square

Answers

Answered by ERB

0

Answer:

253 - 28 $\sqrt{10}$

Step-by-step explanation:

$(7\sqrt{5} - 2\sqrt2 )^2$ = 49*5 + 4*2 - 28 $\sqrt{10}$ = 253 - 28 $\sqrt{10}$

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