Add the value that will turn the expression into a perfect square trinomial to complete the square. Then factor the trinomial to a squared binomial.a2 - 10a
A. add 25; (a - 5)2
B. add 25; (a + 5)2
C. add 0; (a - 5)2
D. add 25; (a - 10)2
Answer: A
Mathematics
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