CBSE Class 10 Answered
L-4 QUADRATIC EQUATIONS (RD EX:4.9, Pg.4.9)
Asked by | 28 May, 2008, 05:14: PM
Expert Answer
x (x+1) = 306
x2 + x = 306
x2 + x - 306 = 0
x2 + 18x - 17x - 306 = 0
x(x+18) -17(x+18) = 0
(x+18)(x-17)
x = -18 , 17 (reject the negative value)
x = 17
x+1 = 18
Answered by | 28 May, 2008, 09:56: PM
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