Question

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

Answer 1

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

Since a product can be zero if one of their factors are equal to zero, it follows that:

`x-7=0\Rightarrow x=7`

or

`2x+5=0\Rightarrow x=-(5)/(2)`

Then the solutions will be x=7 or x=-5/2