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Scrat [10]
3 years ago
8

Simplify.

Mathematics
2 answers:
aleksklad [387]3 years ago
6 0

Hey there!

\bold{(3x^2 + 2x + 7x^3)+(10x^2 + 6x + 9)}

Firstly, combine your like terms

  1. \bold{3x^2,10x^2}
  2. \bold{2x,6x}
  3. \bold{7x^3}
  4. \bold{9}
  • \bold{7x^3\times(3x^2+10x^2)+(2x+6x)+(9)}
  • \bold{3x^2+10x^2=13x^3}
  • 2x+6x=8x
  • \boxed{\boxed{\bold{Answer:A)7x^3+13x^2+8x+9}}} \checkmark

Good luck on your assignment and enjoy your day!

~\bold{LoveYourselfFirst:)}

Dafna1 [17]3 years ago
4 0

Answer:

A) 7x^3 + 13x^2 + 8x + 9

Step-by-step explanation:

(3x^2 + 2x + 7x^3) + (10x^2 + 6x + 9)

I like to line them up vertically

7x^3 +3x^2 + 2x

+       (10x^2 + 6x + 9)

-----------------------------------

7x^3 +13x^2 +8x +9

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