12-03-2022
Mathematics

contestada

Solve 3x^2-4x-1=0
Can someone please explain to me how it went from 4 +/- the square root of 28 to 4 +/- 2 multiplied by the square root of 7.

Solve 3x24x10 Can someone please explain to me how it went from 4 the square root of 28 to 4 2 multiplied by the square root of 7 class=

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ashish4112119 ashish4112119

12-03-2022

square root of 28 is 2√7

√28 = √4 * √7 = 2√7

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