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(5x+4) (x-7) =0
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7 votes

(5x+4) (x-7) =0

User JFPicard
by
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1 Answer

8 votes
expand the brackets
5x^2 -35x + 4x - 28
Simplify
5x^2 - 31x -28
a=5 b=-31 c=-28
Use these in the quadratic formula and do the equation whith both plus and minus
x=7 and x=-0.8
User Arran Ubels
by
4.6k points
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