Which choice is equivalent to the expression below? 6√7 - 5X√7 - X√7 A.-2√7 B. 0 C.-X^2 D.6V7-6X√7

asked Jun 2, 2015 220k views

2 votes

Which choice is equivalent to the expression below?

6√7 - 5X√7 - X√7

A.-2√7
B. 0
C.-X^2
D.6V7-6X√7

7.9k points

Please log in or register to add a comment.

6 votes

$6\sqrt7 - 5x\sqrt7 - x\sqrt7=\\ 6\sqrt7-6x\sqrt7 \Rightarrow D$

Maschaub answered Jun 5, 2015

8.8k points

4 votes

$6\sqrt7-5x\sqrt7-x\sqrt7=6\sqrt7-6x\sqrt7\\\\Answer:D.$

Gopi answered Jun 7, 2015