naethadoll naethadoll

25-03-2020
Mathematics

contestada

Is it true that (x + 3)2 = x2 + 9? Justify your answer.

Respuesta :

CodyWohlfeil CodyWohlfeil

25-03-2020

Answer:

No

Step-by-step explanation:

3 times 2 is 6 and 2 times x is 2x so therefore 2x+6 does not equal 2x+9. Hope this helps!

Answer Link

neechar3 neechar3

25-03-2020

Step-by-step explanation:

x2-2x+3=0

2+-√8i/4

Answer Link

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