find the roots of following quadratic equations by factorisation
2x^2-x+1/8
please it's very very urgent
Answers
Answered by
1
Step-by-step explanation:
- first multiply 8 by both sides.
- then find the factors.
- take the common .
- then u will get the roots.
Attachments:
Answered by
1
2x^2-x+1/8
=(16x^2-8x+1)/8
= [16x^2-(4+4)x+1]/8
=[16x^2-4x-4x+1]/8
=[4x(4x-1)-1(4x-1)]/8
=[(4x-1)(4x-1)]/8
=(4x-1)/8.(4x-1)
=[4x/8-1/8].(4x-1)
=[x/2-1/8].(4x-1)
x/2-1/8=0 or 4x-1=0
x=2/8 or 4x=
answer;{x=1/4}
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