Algebra factoring using ac method

label Algebra
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how would I factor this problem using the AC method   8x^2+20x+30

May 24th, 2015

x^2+20x+30*(8)

x^2+20x+240

[x+10+2i*sqrt(35)]*[x+10-2i*sqrt(35)]

[8x+10+2i*sqrt(35)]*[8x+10-2i*sqrt(35)]

2[4x+5+i*sqrt(35)]*[8x+10-2i*sqrt(35)]

dividing by 8,

(1/4)*[4x+5+i*sqrt(35)]*[8x+10-2i*sqrt(35)]

May 24th, 2015

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May 24th, 2015
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May 24th, 2015
Sep 21st, 2017
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