21x2 - 19x - 12 = 0
21x2 + 37x - 12 = 0
21x2 - x + 12 = 0
21x2 + 7x - 4 = 0
Correct answer is A
Let x = \(\frac{4}{3}\), x = -\(\frac{3}{7}\)
Then 3x = 4, 7x = -3
3x - 4 = 0, 7x + 3 = 0
(3x - 4)(7x + 3) = 0
21x2 + 9x - 28x - 12 = 0
21x2 - 19x - 12 = 0
Find the value of x if \( [ 1 ÷ 64^{(x + 2)}]= [4^{(x − 3)} ÷ 16^x ] \)...
make x the subject of the relation \(y = \frac{ax^3 - b}{3z}\)...
The figure is an example of the construction of a ...
A die is rolled 200 times the outcomes obtained are shown in the table below. Find the probabilit...
Given that 2x + y = 7 and 3x - 2y = 3, by how much is 7x greater than 10? ...
Find the minimum value of y = x2 - 2x - 3...