SOLUTION: Factor completely. Remember to look first for a common factor and to check by multiplying. If a polynomial is prime, state this.
20x^2 + 100x + 125
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Question 622865: Factor completely. Remember to look first for a common factor and to check by multiplying. If a polynomial is prime, state this.
20x^2 + 100x + 125
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
20x^2 + 100x + 125
5(4x^2 + 20x + 25)
rewrite the middle term as:
5(4x^2 + 10x + 10x + 25)
group:
5(4x^2 + 10x) + (10x + 25)
5(2x(2x + 5) + 5(2x + 5))
5(2x + 5)(2x + 5)
5(2x+5)^2
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