camildog62 camildog62
  • 07-05-2020
  • Mathematics
contestada

Multiply and simplify:
(x + 3)2
A) x2 + 6
B) x2 + 9
C) x2 + 6x + 9
D) x2 + 9x + 6

Respuesta :

Hi1315
Hi1315 Hi1315
  • 07-05-2020

Answer:

[tex] {x}^{2} + 6x + 9[/tex]

Answer C is correct.

Step-by-step explanation:

[tex](x + 3) ^{2} \\ (x + 3)(x + 3) \\ x(x + 3) + 3(x + 3) \\ {x}^{2} + 3x + 3x + 9 \\ {x}^{2} + 6x + 9[/tex]

Answer Link
MrMonsieurSenorSir
MrMonsieurSenorSir MrMonsieurSenorSir
  • 07-05-2020

Answer:

the answer is A) 2x + 6

Step-by-step explanation:

You multiply what's outside the parantheses by what's inside the parantheses and you have to do it separatley so to simplify the equation you do (x*2) + (3*2) which equals 2x + 6

Answer Link

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