Solving an Equation with the Difference of Two Radical Expressions

👉 Learn how to solve radical equations having two radical terms. To solve a radical equation having two radical terms, we isolate the radical terms by placing them in the opposite sides of the equality sign. Next, we get rid of the radical by taking the square of both sides of the equation and then solve and simplify the resulting equation.

Organized Videos:
✅Solve Radical Equations
✅Solve radical equations with two square roots
✅Solve radical equations with two variables
✅How to solve square root equations
✅How to solve radical equations with higher roots

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[ChavoMysterio]

I could have isolated the square root of x+9 by adding the square root of x to both sides, the squared both sides. You could have saved some steps right there.

[TriForceChris]

Mr. Mclogan I just want to say that you do such an amazing job. You are so awesome and helpful. You are an awesome teacher. You make math so fun. You teach very well. Whenever I need help, I come to you or KhanAcademy. But I always come to you first. I wish you could be my teacher! Keep up the amazing work Mr. Mclogan!

[aakashkarajgikar]

0:54 It does as it will give part of our answer, it is just not full/enough for our answers!

[polobobeetricetherd]

great explanation but you couldhv made it way easier by adding the root of x to both sides so foiling would be a whole lot simpler

[pvspeaks]

Easier way would have been to take square root of X to the right side as the first step!
But thank u anyways for the clear explanation.

[KINGPIN-]

what grade you teach ? you explain very well 👌

[maxwang]

5 is a pretty easy number to guess ya know.

[grisbear]

I was wondering how you got -2 times square root of x^2 +9x. and then i realized you doubled the original equation of square root of x times x+9. not sure if i got that right, but that’s how i see it after racking my brain for an explanation. anyway, watching your videos has brought me more of an appreciation for math that i wish i had when i was younger.