Find the measure, in terms of x, of each side of a square if the Area = x^2– 16x +64.

 

Find the measure, in terms of x, of each side of a square if the Area = x^2– 16x +64.
Factor and solve.
x^2-x-72=0
2x^2+9x-5=0
x^2-64=0
4x^2-36x+72
 
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1 Answer

solushun tu equashun is (x-8)*(x-8)=0, so x=8

if area=8, square side =root(8)=2*root(2)
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