What is the sum of 6x^3-5x+2 and -2x^3 -4x+x-8?

Carol Gates

Carol Gates

Answered question

2021-09-13

What is the sum of 6x35x+2 and 2x34x+x8?

Answer & Explanation

tafzijdeq

tafzijdeq

Skilled2021-09-14Added 92 answers

When we add two polynomials,we add the sum of the coefficients of the same powers of x.
Let f(x)=6x35x+2
and g(x)=2x34x+x0
so that the sum of two polynomials will be
f(x)+g(x)=(6x35x+2)+(2x34x+x0)
=6x35x+22x34x+x0
=(62)x3+(54+1)x+20
=4x3+(8)x+(6)
f(x)+g(x)=4x38x6
Hence the sum of the given polynomials is 4x38x6

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