determine the number that must be added to make each of the following a perfect square trinomial 1.ײ+2×+ 2.r²+2r+ 3.ײ-15×+ please answer this.
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determine the number that must be added to make each of the following a perfect square trinomial 1.ײ+2×+ 2.r²+2r+ 3.ײ-15×+ please answer this.
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