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Kroot · Answer 1 · 2019-06-13T03:19:16+0000

From the equation

${x}^(2) - 10x + 25 = 0$
We can see that 25 is 5 × 5, and 10 is 5 + 5, so the equation simplifies to

$(x - 5)(x - 5) = 0 \\ {(x - 5)}^(2) = 0$
which then we use to set each parentheses to equal 0

$(x - 5) = 0 \\ x = 5$
Since both parentheses are the same, there is only one solution: C. 1 real number solution

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