If one root of the quadratic polynomial 2 x square - 3 x + b is 3 find the other route also find the value of p
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2X^2-3X+b=0
if one root is 3
then
2.9-3.3+b=0
b=-9
the equation is
2X^2-3X-9=0
FACTORISATION
2X(X-3)+3(X-3)=0
(2X+3)(X-3)=0
X=-3/2,X=3
OTHER ROOT OF EQUATION IS -3/2
if one root is 3
then
2.9-3.3+b=0
b=-9
the equation is
2X^2-3X-9=0
FACTORISATION
2X(X-3)+3(X-3)=0
(2X+3)(X-3)=0
X=-3/2,X=3
OTHER ROOT OF EQUATION IS -3/2
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