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1 vote
Please help 5x^2+21x+4

User Reishin
by
4.8k points

2 Answers

7 votes

Answer:

(5x+1) (x+4)

Explanation:

User Malisokan
by
4.6k points
4 votes
I think it’s (x+4)*(5x+1)

Write 21x as a sum ~ 20x + x

5x^2+20x+x+4

Then you factor out the 5x from the expression

5x * (x+4) + x+4

Then you factor out x+4 from the expression

(X+4) * (5x+1)

Then that’s your answer :) have a great day
User Trvrm
by
4.1k points