Find the sum (3x^2+5x-8)+(5x^2-13x-5)

No need to fear I'll help you get through this problem :D

Okay so this is the original problem, let's work down from it

(3x² + 5x - 8) + (5x² - 13x - 5)

Remember we need to add only the values that have like variables of the same exponents

(8x² - 8x - 13)   <    this will be the answer you will get when you add the values together

I hope this helps you understand this problem! :D

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Yes. there is a constant ratio of number of calories to gram of protein.12/3=24/4=32/8=44/11=4