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solve for x :
(A) 2x^2 +3x-2 >=0
(b) x+3>2x-1
a) 2x2+ 3x-2>=0
for solving this make its factors as,
= (2x-1)(x+2)>=0 then on the number line menti0n the roots and check the sign of equation in different regions
eg. in region 3 any value will give positive value.
thus value of x is from (-~,-2] U [1/2,+~). ie the region satisfying condition.
b) x<4 so value is (-~,4).
for common solution take common region in both
here final solution is (-~,-2].
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