Question

What are the solutions of 5x2 = 20x?

a. x = 5, x = 4

b. x = −5, x = −4

c. x = 0, x = 4

d. x = 0, x = −4

Answer 1

okay just plug in all the possibilities

Answer 2

Move 20x to the left, factor an x and solve. Simple as pie.

Answer 3

c?

Answer 4

Correct

Answer 5

thanks :-)

Answer 6

Emily's would of worked too, but in my opinion would of been longer.

Answer 7

And you're welcome \[\Huge\color{green} {\ddot\smile}\]