5
3
6
1
Correct answer is C
132x = 708
1×x2+3×x1+2×x0
7×81+0×80
x2+3x+2−56=0
x2+3x−54=0
x(x + 9)−6(x + 9) = 0
(x + 9)(x − 6) = 0
Either (x + 9) = 0 or (x − 6) = 0
x = − 9 or +6
The positive values for x = 6
The base number for 132x = 1326
A regular polygon of (2k + 1) sides has 140° as the size of each interior angle. Find k...
Find the mean of t + 2, 2t - 4, 3t + 2 and 2t....
The graph above is that of a quadratic function y = 2x2 - x - 6 The roots of the equation are...
A chord of a circle subtends an angle of 120° at the centre of a circle of diameter \(4\sqr...