We want to “complete the square” on the expression x2+3x. This is a simple 2-step process.
Step 1: Take half of 3 to get 3/2.
Step 2: Square the result from Step 1 to get (3/2)2=9/4.
So, c=9/4.
Olivia L.
asked • 04/03/18What is the value of c so that x² +3x + c is a perfect-square trinomial?
can you guys help me ?
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