`5(2x+5)-2(x+1)=0`

The number of solutions of the equation log _((x + 1)) ( 2x ^(2) + 7x + 5) + log _( ( 2x + 5)) (x +1) ^( 2) -4 =0, x gt 0, is ______.

Solve: 5(x+1) - (x+2) =0

The roots of 5x^(2) - x + 1 = 0 are

Find the value of x if |(1,4,20),(1,-2,-5),(1,2x,5x^2)|=0

if (x-1)(x-2)(x+5)<0 then

The equation of straight line belonging to both the families of lines (x-y+1)+lambda_1(2x-y-2)=0 and (5x+3y-2)+lambda_2(3x-y-4)=0 where lambda_1, lambda_2 are arbitrary numbers is (A) 5x -2y -7=0 (B) 2x+ 5y - 7= 0 (C) 5x + 2y -7 =0 (D) 2x- 5y- 7= 0