perimeter of a triangle is 7p square - 8p + 9 and two of its side are 2p square -9 + 1 and 11 p square - 3p + 5 find the third side of a triangle
awesomenessnand:
I could be wrong but just check if the question is right
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perimeter of triangle-( first side+ second side)
next, write the like terms together and combine them.
next, write the like terms together and combine them.
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Oo thanks..
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