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zvonat [6]
3 years ago
10

What are the solutions to the quadratic equation 4x2 = 64?

Mathematics
2 answers:
Karolina [17]3 years ago
7 0
<h2>Greetings!</h2>

Answer:

x = −4 and x = 4

Step-by-step explanation:

4x² = 64

Lets get x² on its own. To do this we divide each sides by 4:

x² = 16

Now to get just x, we need to square root this answer:

√x² = √16

x = √16

x = 4

But this can be ±4 as it -4 and 4 squared both give 16.

So your answer is x = −4 and x = 4


<h2>Hope this helps!</h2>
labwork [276]3 years ago
3 0

Answer:

x = −4 and x = 4

Step-by-step explanation:

c on edg

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