(8x^6+6x^4-5x)+(8x^6+9x^4+2x)

Question

How to solve this problem by adding

Answer 1

 

(8x^6 + 6x^4 - 5x) + (8x^6 + 9x^4 + 2x)
= 8x^6 + 6x^4 - 5x + 8x^6 + 9x^4 + 2x {took out parentheses}
= 16x^6 + 15x^4 - 3x {combined like terms}

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