(4x+1)(2x-3)-8²=17-5x

Question

(4x+1)(2x-3)-8²=17-5x

Answer 1

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Answer 2

8х²+2х-12х-3-64=17-5х
8х²-10х-67-17+5х=0
8х²-5х-84=0
D=(-(-5))²-4×8×(-84)=25+2688=2713
x1=(-(-5)-√2713)/2×8=(5-52,086)/16=-2,943
x2=(-(-5)+√2713)/2×8=(5+52,086)/16=3,568