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3 years ago

Find the solutions to the equation below. Check all that apply. x2 - 4 = 0

Mathematics

2 answers:

Gennadij [26K]3 years ago

8 0

Answer:

Step-by-step explanation:

First you add 4 to both sides and get

2x=4

then you divide by 2 and get

4/2=x

4/2=2

x=2

Fantom [35]3 years ago

3 0

Answer:

+2 or -2

Step-by-step explanation:

move 4 after equal sign

now it's x² =4 and put a root on the two parts of equation and this is what you get

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