3 years ago

What are the 2 steps that are wrong

Mathematics

2 answers:

ZanzabumX [31]3 years ago

8 0

Answer:

Step 3 to step 4

tiny-mole [99]3 years ago

7 0

Answer:

Step-by-step explanation:

Step 2 to Step 3.

This is a major error. Minus signs always create trouble.

4 - 21 = -17

To this you add 30

- 17 + 30 = 13

So the answer is sqrt(13)

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