y=0.25x^2+2x+1

Question

factor it please

Answer 1

y=0.25x²+2x+1,

4y=x²+8x+4=x²+8x+16-12,

4y=(x+4)²-12,

4y=(x+4-√12)(x+4+√12),

y=¼(x+4-√12)(x+4+√12).

√12 is the same as √(4×3)=2√3.

y=¼(x+4-2√3)(x+4+2√3).

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