x = -5
x = 10
x + 10 = 0
bc = 750
Correct answer is B
\(x^2 + 15x + 50 = 0\)
\(x^2 + 5x + 10x + 50 = 0\)
\(x(x + 5) + 10(x + 5) = 0\)
\((x + 5)(x + 10) = 0\)
x + 5 = 0 or x + 10 = 0.
Comparing \(x^2 + 15x + 50\) with \(ax^2 + bx + c\), b = 15 and c = 50.
\(\therefore\) bc = 750.
\(\begin{array}{c|c} \text{Average hourly earnings(N)} & 5 - 9 & 10 - 14 & 15 - 19 &...
The equivalent of (10110.011)\(_2\) in base 10 is?...
Find the area of the sector of a circle with radius 3m, if the angle of the sector is 60o...
The locus of points equidistant from two intersecting straight lines PQ and PR is...
What must be added to (2x - 3y) to get (x - 2y)? ...
If s = (2 + 3t)(5t - 4), find ds/dt when t = 4/5 secs ...
Find the length of a side of a rhombus whose diagonals are 6cm and 8cm ...