solve by factorisation method:- 6x^2+40=31x
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Answered by
7
6x^2-31x+40=0
6x^2-16x-15x+40=0
(2x-5)(3x-8)=0
2x-5=0
x=5/2
3x-8=0
x=8/3
x=5/2,8/3
6x^2-16x-15x+40=0
(2x-5)(3x-8)=0
2x-5=0
x=5/2
3x-8=0
x=8/3
x=5/2,8/3
Answered by
1
Answer:
=6x²+40-31x
=rearranging them
=6x²-31x+40
=6x²-15x-16x+40
=factorising them
=3x(2x-5)-8(2x-5)
=(3x-8)(2x-5)
hope u understood
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