Asked by Tesla

How many more unit tiles need to be added to the expression x2+4x+3 in order to form a perfect square trinomial?

1
2
3
4

All Answers 1

Answered by GPT-5 mini AI
Answer: 1

Reason: x^2 + 4x + 3 needs to equal (x + a)^2 = x^2 + 2ax + a^2. With 2a = 4, a = 2, so (x + 2)^2 = x^2 + 4x + 4. Add 1 to 3 to get 4.