Mathematics, 25.09.2019 09:50, passions3534ovf6dt

What number should be added to the expression x^2 + 2x to change it into a perfect square trinomial?
a) 1
b) 2
c) 3
d) 4

Answers: 1

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What number should be added to the expression x^2 + 2x to change it into a perfect square trinomial?...