Question

Solve.
(3+z)x(5z-7)=0
(If there is more than one solution, separate them with commas.)

Answer 1

Answer:

-3, 7/5 or 1.4

Step-by-step explanation:

• (3+z)x(5z-7)=0
• 3+z=0 => z= -3
• 5z-7=0 => 5z=7 => z= 7/5= 1.4

Answer: -3 and 7/5 (or 1.4)

Answer 2

Answer:

x= 0/5z2+8z−21

Step-by-step explanation:

Let's solve for x.

(3+z)(x)(5z−7)=0

Step 1: Factor out variable x.

x(5z2+8z−21)=0

Step 2: Divide both sides by 5z^2+8z-21.

x(5z2+8z−21)

5z2+8z−21

=0/5z2+8z−21

x=0/5z2+8z−21

I HOPE I WAS A HELP TO YOU!!! :)