Respuesta :

Answer:

13t^2 +17

Step-by-step explanation:

It helps to regroup the terms so like terms are together. Then you can more easily see how to combine them.

(7t^2 +9) + (6t^2 +8) = 7t^2 + 9 + 6t^2 + 8

= 7t^2 + 6t^2 + 9 + 8

= t^2·(7 + 6) + (9 +8)

= 13t^2 +17

Assignment: [tex]\bold{Simplify \ Equation: \ \left(7t^2+9\right)+\left(6t^2+8\right)}[/tex]

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Answer: ➣ [tex]\boxed{\bold{13t^2+17}}[/tex]

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Explanation: [tex]\downarrow\downarrow\downarrow[/tex]

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       ➤ [ Step One ] Remove Parenthesis: (a) = a

[tex]\bold{7t^2+9+6t^2+8}[/tex]

       ➤ [ Step Two ] Group Like Terms

[tex]\bold{7t^2+6t^2+9+8}[/tex]

       ➤ [ Step Three ] Combine Similar Elements: [tex]\bold{7t^2+6t^2=13t^2}[/tex]

[tex]\bold{13t^2+9+8}[/tex]

       ➤ [ Step Four ] Add Numbers: [tex]\bold{9+8=17}[/tex]

[tex]\bold{13t^2+17}[/tex]

[tex]\bold{\rightarrow Mordancy \leftarrow}[/tex]

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