kevo1969 kevo1969
  • 15-11-2019
  • Mathematics
contestada

what is the sum of
[tex] 5 {x}^{2} + 3x - 7 \: and \: 12x + 12 \\ [/tex]
​

Respuesta :

znk
znk znk
  • 15-11-2019

Answer:

5x² + 15x + 5  

Step-by-step explanation:

Here's one way to do it.

Put corresponding powers of x beneath each other and add the similar terms.

5x² +   3x  -  7

         12x + 12

5x² + 15x +  5

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