The perimeter of a triangle is 7a - 11b. If two of its sides are 2a + b and a - 9b, what is the third side?

Original conversation

User: Subtract 2x2 - 6x - 4
from 4x2 - 4x + 3.

User: The perimeter of a triangle is 7a - 11b. If two of its sides are 2a + b and a - 9b, what is the third side?

Weegy: The perimeter of a triangle is 7a - 11b. If two of its sides are 2a + b and a - 9b, what is the third side?
side03 = (7a-11b) - {(2a+b) + (a-9b)}
= 7a - 11b - 2a - b - a + 9b
= (7-2-1)a +(-11-1+9)b
= 4a - 2b ............................ answer itstud|Points 170|

User: What must be added to 3x -7 to make x2 + 4x -1?

Weegy: X2+1x+6 must be added to 3x-7 ArslanBasit|Points 1965|

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