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LuckyWell [14K]
3 years ago
15

Complete the square to re-write the trinomial below in vertex form: x^2+2x+1

Mathematics
1 answer:
miskamm [114]3 years ago
6 0
Ax²+bx+c
when a=1, then take 1/2 of b and square it and add something


x²+2x+1
2/2=1, 1²=1
x²+2x+1-1+1
(x+1)²-1+1
(x+1)²
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