Question

Find the roots of following quadratic equations, if they exist by the method of completing square: 2(x)2-5x-12=0

Answer 1

Hi friend here is your answer :-
2x^2 - 5x - 12=02x^2 - 8x + 3x -12 = 02x(x-4) + 3(x-4)=0
Therefore x = -3/2  or  x=4As u r finding the exiting square in the roots,x=4 is the answer as it is 2 square
Hope the answer helped u :)