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andreyandreev [35.5K]
3 years ago
8

Factor completely x^2 − 10x + 25.

Mathematics
2 answers:
Olenka [21]3 years ago
8 0
The answer is a.
x^2 -10x+25 = x*x-2*5*x+5*5 => (x-5)(x-5)
ivanzaharov [21]3 years ago
5 0
We're looking for two numbers that when multiplied, give 25, and when added, give -10.

Factoring 25 leads to 5*5 or -5*-5. The second alternative also fits -5+-5 = -10.

So (x-5)(x-5) is the factorization.
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