krislbleier krislbleier

21-11-2019
Mathematics

contestada

Which choice is equivalent to the expression below? 4√7 – 3x√7 - x√7

a. 4√7 - 4x√7
b. -2x√7
c. -x^2
D. 0

Respuesta :

KurdishPotato KurdishPotato

21-11-2019

Answer:

a.

Step-by-step explanation:

since the rootsvare equal we can add and subtract these expressions

[tex]4 \sqrt{7} - 3x \sqrt{7} - x \sqrt{7} = 4 \sqrt{7} - 4x \sqrt{7} [/tex]

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hayhay066 hayhay066

09-03-2021

Answer: a is correct

Step-by-step explanation:

A P E X

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