Question

there are a total of 2x sq -3x- 35 students .these students are to be arranged in rows and columns during the assembly .find the number of rows of columns to be arranged​

Answer 1

Answer:

2x²-3x-35=0

2x² -10x+7x -35=0

2x(x-5) + 7(x-5) =0

(x-5)(2x+7)=0

=>x-5=0. (or). 2x +7=0

x=5. x=-7/2

rows=5

columns =-7/2

=-3.5