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What is the missing expression? x^ 8 + 3x ^5 = x^5(_____)

a)x + 3
b)x^2 + 3
c) x^3 + 3

User Oferei
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2 Answers

5 votes
x^ 8 + 3x ^5 = x^5(x^3 + 3)

answer: c) x^3 + 3
User Ali Turab Abbasi
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2 votes
What you are doing here is simply factoring out the GCF. In this example that factor would be x^5. Once that is complete the missing expression would be x^(3)+3. (also I like your profile picture)
User Ben Patch
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