shir28 shir28
  • 22-08-2016
  • Mathematics
contestada

solve the following equations x (x-7)=0

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hai0612
hai0612 hai0612
  • 22-08-2016
x(x-7)=0
⇔x=0 or x-7=0
⇔x=0 or x=7
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Korianna
Korianna Korianna
  • 22-08-2016
Hi there!

Let us solve the equation step-for-step.

Simplify both sides of the equation. It would look like this -

x² - 7x = 0

Then, we factor the left side of the equation. It will look like what you started with.

x (x - 7) = 0

Finally, set factors equal to zero.

x = 0 or x - 7 = 0

x can equal 7 or 0. It does not matter because both answers will give you the same outcome.

Hope this helps! :D
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