# Math

More Options: Make a Folding Card

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• It was a peaceful day in Barry's lab until...﻿
• Barry! Barry!﻿
• What is it?﻿
• As for the clones FOIL should work well. It's like multiplying two sets of terms together, but you have to distribute. You set up both terms in parentheses, then distribute to the first, inner, outer, and last terms of both binomials. Look at this example. You would multiply the 4x and 5x to get 20x squared, 4x and -6 to get -24x, -3 and 5x to get -15x, and -6 and -3 to get 18. The final answer would be 20x squared minus 39x plus 18. We can use this to figure out how this guy can multiply the copies of his body.
• ﻿We also need you to find out how Ronnie and Stein can combine to form FIRESTORM and then break apart.
• ﻿We have a new meta-human case. This man can create multiple copies of himself.
• Perfect. I'll have Cisco help me with it at STAR labs.﻿
• I got your message. I think we can add and subtract polynomials to understand FIRESTORM and FOIL to help us figure out the clones.
• Lets do it!
• Adding polynomials is really very simple.You set up the sets of terms in an addition equation. Then, you combine like terms. For example, you could add 6x cubed and 3x cubed to get 9x cubed. You can add -5x and 4x to get -1x, but you can only combine like terms. If we take the calculations for Ronnie and Stein we can figure out the calculations of their combined person.
• The same goes for subtracting polynomials except you have to be careful of the negative. After that you add the like terms. We can use this to find out how Ronnie and Stein seperate.
• (4x-3)(﻿5x-6)
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