If x+19x=4,x+19x=4, then 9x2+19x29x2+19x2 is? – McqOptions

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1.	If x+19x=4,x+19x=4, then 9x2+19x29x2+19x2 is?
A.	140
B.	142
C.	144
D.	146
Answer» B. 142

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