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Question
Add the following polynomial.
`7x^4 - 2x^3 + x + 10 ; 3x^4 + 15x^3 + 9x^2 - 8x + 2`
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Solution
`(7x^4 - 2x^3 + x + 10) +( 3x^4 + 15x^3 + 9x^2 - 8x + 2)`
`= 7x^4 + 3x^4 - 2x^3 +15x^3 +9x^2 + x - 8x + 10 +2`
`= 10x^4 + 13x^3 + 9x^2 - 7x + 12`
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