(2x - 9)(x - 5)
(2x-15)(x + 3)
(2x +15)(x - 3)
(2x -15(x - 3)
(2x - 9)(x + 5)
Correct answer is D
2x2 - 21x + 45
= 2x2 - 15x - 6x + 45
= x(2x - 15) - 3(2x - 15)
= (x - 3)(2x - 15)
What is the nth term of the progression 27, 9, 3,......? ...
A ladder 9m long leans against a vertical wall, making an angle of 64° with the horizontal ...
Express, correct to three significant figures, 0.003597. ...
If sinx=45, find 1+cot2xcsc2x−1....
Given that a∗b=ab+a+b and that a♦b=a+b=1. Find an expression (not involv...
Given that x > y and 3 < y, which of the following is/are true? i. y > 3 ii. x < 3 iii. ...
If three numbers P, Q, R are in ratio 6 : 4 : 5, find the value of 3p−q4q+r...