(x − 5) 2
(x + 5)(x + 4)
(x – 5)(x + 3)
(x + 3) 2
Correct answer is B
x2+9x+20
Find the two numbers whose product is 20 and its sum is 9}
5x×4x=20x2
5x+4x=9x
(x2+5x)+(4x+20)
x(x+5)+4(x+5)=(x+5)(x+4)
A surveyor walks 500m up a hill which slopes at an angle of 30o. Calculate the vertical height ...
Calculate the volume of the regular three dimensional figure drawn above, where < ABC = 90° (...
Evaluate xy2−x2yx2−xy1 When x = -2 and y = 3...
The volume of a cylindrical tank, 10m high is 385 m2. Find the diameter of the tank. [Take \(\p...