(2x -3y + 5)(2x - 3y - 5)
(2x - 3y)(2x + 3y)
(2x - 3y +5)(2x + 3y + 5)
(2x + 5)(2x - 9y +5)
Correct answer is C
Given: 4x2 - 9y2 + 20x + 25
Collect like terms: 4x2 + 20x + 25 - 9y2
(2x + 5)(2x + 5) - 9y2
(2x + 5)2 - (3y)2
(2x - 3y +5)(2x + 3y + 5)
The angle of a sector of a circle of diameter 8cm is 135°. Find the area of the sector [Take \(\...
A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45°. if the distance between t...
If N varies directly as M and N = 8 when M = 20 find M when N = 7 ...
Calculate the range of 20, -6, 25, 30, 21, 28, 32, 33, 34, 5, 3, 2, and 1. ...