Answer:
x
Step-by-step explanation:
yes
x = 3
x2−6x+9=(x−3)2
There ia a double-root at x = 3
Using the formula as instructed.
Compare to: ax2+bx+c→x=−b±√b2−4ac2a
In this case: a=1;b=−6andc=9 giving:
x=+6±√(−6)2−4(1)(9)2(1)
x=6±√36−362
x=3±0
x=3
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Answers & Comments
Answer:
x
Step-by-step explanation:
yes
Answer:
x = 3
Step-by-step explanation:
x2−6x+9=(x−3)2
There ia a double-root at x = 3
Using the formula as instructed.
Compare to: ax2+bx+c→x=−b±√b2−4ac2a
In this case: a=1;b=−6andc=9 giving:
x=+6±√(−6)2−4(1)(9)2(1)
x=6±√36−362
x=3±0
x=3