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X^2 - 8x + 13 = 0
subtract 13 from both sides
x^2 - 8x = -13
-8/2 = -4, (-4)^2 = 16, add 16 to both sides
x^2 - 8x + 16 = -13 + 16
factor the left side
(x - 4)^2 = 3
Answer:
if the equation is f(x)=ax^2+bx+c
Step-by-step explanation:
Marco rounded the hundredths place since after the decimal it is the tenths then the hundredths then the thousands place