Question

the equation x²-18x+81=0 has repeated roots. true or false .
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Answer 1

Answer:

${x}^{2} - 18 x + 81 = 0 \\ {x}^{2} - 9x - 9x + 81 = 0 \\ x(x - 9) + 9(x - 9) = 0 \\ (x - 9)(x + 9) = 0$

True

I hope it helps you

Answer 2

Answer:

true

Step-by-step explanation:

x²-9x-9x+81=0

x(x-9)-9(x-9)=0

(x-9) (x-9)=0

x=9 or x=9