Kac135
Kac135 Kac135
  • 19-10-2018
  • Mathematics
contestada

What is −4√12+√75 in simplest radical form? Enter your answer in the box.

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choixongdong
choixongdong choixongdong
  • 19-10-2018

−4√12+√75

= -4√(4 *3) + √(25 * 3)

= -4 * 2√3 + 5√3

= -8√3 + 5√3

= (-8 +5) √3

= -3√3

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wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 19-10-2018

-4 sqrt (12) + sqrt (75)

-4 * sqrt (4*3) + sqrt (3*25)

-4* sqrt(4)*sqrt(3) + sqrt(25)*sqrt(3)

-4*2*sqrt(3) +5sqrt(3)

-8sqrt(3) +5sqrt(3)

-3sqrt(3)

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