Question

the root of the following quadratic equation by factorisation and the method of completing the square

1). 2x^2+x-4=0​

Answer 1

Step-by-step explanation:

$( - 1 + \sqrt({ {1}^{2} } - 4 \times 2 \times 4) \div 2$

Answer 2

□Factorisation Method :

2x^2 + x -4 = 0

This equation cannot be solved by factorisation method.

□Completing the Square Method:

☆ This year Completing the Square Method is not in the syllabus for class 10th board examination. So that's why there is no need to learn this method for solving equations. You must learn QUADRATIC FORMULA for the board examination for this session 2019-20.

# jasleenlehri13.....