What does an equal sign mean mathematically?

1 answer:

DIA [1.3K]2 years ago

3 0

Answer:

It means that the both sides of the expression in the given equation must be/are congruent.

Hope this helps!

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Olenka [21]

Step-by-step explanation:

To answer the question you have t the square of the differences.

So this means that (x-3)^2= x^2-9x+9

Next youmultiply 3 on both sides which says…

x^2-9x+9=27

x^2-9x=18

So, x equals

9/2+3/2 square root 17

9/2-3/2 square root 17

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