Asked by Sabrina

Please don't just give me the answer, I need to know how to do this.
Find the Sum or Difference
2x^4 + 8x^4
Answered by mathhelper
2 apples + 8 apples = 10 apples
2 starfish + 8 starfish = 10 starfish
2 whatevers + 8 whatevers = 10 whatevers
2x^2 + 8x^2 = .....

Answered by oobleck
just use the distributive property
2*8 + 2*5 = 2*(8+5)
2 dogs + 5 dogs = (2+5) dogs = 7 dogs
2x^4 + 8x^4 = (2+8)x^4 = 10x^4
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