# math

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• Nothing, I'm just having trouble with this trinomial ﻿times trinomial equation.
• What's wrong bro?﻿
• (4x2﻿+2x-1)(4x2﻿+2x-1)= 4x4 + 2x 2 + -1
• How about you show me the question and the answer you got .﻿
• ﻿Thanks broseph!
• (4x2﻿+2x-1)(4x2﻿+2x-1)= 4x4 + 2x 2 + -1
• Oh I see what you did wrong and I can help ﻿you.
• ﻿Oh that makes sense.
• So what you did wrong was you only multiplied the first number by the other first number and the same thing with the second and third one too.﻿
• Wow I cannot believe I made that silly mistake.﻿
• You also multiplied your negative numbers wrong, remember, a negative times a negative is a positive.
• Wow dude that's so easy thanks so much!﻿
• So this is how you do it and it's actually pretty easy.  Take the first number in the first trinomial and multiply it by each number of the other trinomial so you get three different numbers. Then do the same thing with the second and third number of the first trinomial.  After you get all three numbers done add all the answers you got. ﻿
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