SOLUTION: help with problem {{{4x^2-100}}} I keep getting the answer 2(x-5)2(x+5) but that isnt the correct answer the correct answer is 4(x+5)(x-5) i just dont understand how to get that an

SOLUTION: help with problem {{{4x^2-100}}} I keep getting the answer 2(x-5)2(x+5) but that isnt the correct answer the correct answer is 4(x+5)(x-5) i just dont understand how to get that an

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Question 240186: help with problem I keep getting the answer 2(x-5)2(x+5) but that isnt the correct answer the correct answer is 4(x+5)(x-5) i just dont understand how to get that answer and would really appreciate your help!
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
4x^2-100
=4(x^2-25)
=4(x+5)(x-5)
.
Your answer 2(x-5)2(x+5)=4(x+5)(x-5)
.
Ed
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