math
posted by chelsea .
give exact and approximate to three decimals places x^2+8x+16=25 Please help me solve this

math 
Henry
x^2+8x+1625 = 0,
x^2+8x9 = 0,
(x+9(x1) = 0,
x+9 = 0,
X = 9.
x1 = 0,
X = 1.
Solution set: X = 9, and X = 1.
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