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kolezko [41]
3 years ago
10

HURRY NEED ASAP TRYNA FINISH SUMMER SCHOOL LOL, I WILL MARK BRAINLIEST :)) PICTURE IS THERE FOR U

Mathematics
2 answers:
lana66690 [7]3 years ago
6 0

Answer:

B.

Step-by-step explanation:

Since the numbers in the root is all the same, lets say \sqrt{2} is a variable.

7x\sqrt{2} - 4\sqrt{2} + x\sqrt{2}

Group with like terms:

7x\sqrt{2} + x\sqrt{2} - 4\sqrt{2}

Combine like terms:

8x\sqrt{2} - 4\sqrt{2}

There you have it! Since all the square roots are the same thing, we can treat them like variables.

Eddi Din [679]3 years ago
3 0

the answer is B..................

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