Question

Which of the following equations has roots -2 and 7 ?
1.X²+5x-14 =0
2.X²-5x-14 =0
3.X²+15x-16 =0
4.X²-5x +14=0

Answer 1

by above data two roots-2and +7

if we multiply it , will make -14 and by adding will make +5

hence , option1 is correct

Answer 2

any doubt ? just let me know