Question: Decide what number must be added to make the expre x-0.4x+ What number must be added to make the expression a perfect square trinomial?
Decide what number must be added to make the expre x-0.4x+ What number must be added to make the expression a perfect square trinomial? x2 -0.4x+0.04 (Type an integer or a decimal.) Factor the trinomial. 2 (Use integers or decimals for any numbers in the expression.)
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