Question
The roots of the equations x2 + 16x + 63 =
0Solution
=> x2 + 9x + 7x + 63 = 0 => x(x + 9) + 7(x + 9) = 0 => (x + 9) (x +7) = 0 => x = -9, -7
More Quadratic equation Questions
200 ? 96 38.4 7.68 0
...3600 600 120 30 ? 5
...100Â Â Â 180Â Â Â 294Â Â Â 448Â Â Â 648Â Â Â ?
Given below are two number series I and II where each series has a wrong (odd one out) number. The number that will actually come in place of the wrong ...
21, 63, 315, ?, 19845, 218295
76, 82, 158, 240, 398, 638, ?
4 , 3, 4 , ? , 32
9 16 56 318 2424 25070
...In the question, three series I, II and III are given. Find the value of x, y and z to establish the correct relation among them and choose the correct...
640 320 160 ? 40 20
Relevant for Exams:
