Question

What is the solution to (X - 5)(2x + 1)(x - 7) > 0?

Answer 1

Answer:

Step-by-step explanation:

Rewrite to help us solve.

( x - 5 )( 2x + 1 )( x - 7 ) = 0

Since these are all factored out it's easy to solve. We need to set each equal to 0 to find x.

x - 5 = 0                  2x + 1 = 0               x - 7 = 0

x = 5                        2x = - 1                   x = 7

                                x = -$\frac{1}{2}$

So x $\neq$ -$\frac{1}{2}$ , 5 or 7

x also cannot be a negative number, but can be 0.