Math, asked by shubhdha, 1 year ago

solve (5x^2 +2x +1 =7)

Answers

Answered by maysan
0
5x^2+2x+1-7=0
5x^2+2x-6=0
compa

maysan: sorry some will be miss
maysan: that is missing
maysan: compare with ax^+bx+c=o so, a=5, b=2 &c=-6 so, b^2-ac=2^2-5×(-6)=4+30=34. so, √b^2-ac =√34 then -b+-(√b^2-ac)/2a=-2+-√34/10 so, value of x is 2+√34/10. &. 2-√34/10
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