Uploaded August 2026 | Updated September 2026, 2 weeks ago
You probably have not done this before, but if we start with x=(-b+-sqrt(b^2-4ac))/(2a), will we get back ax^2+bx+c=0?
Proving the quadratic formula by multiplying 4a first: youtu.be/3DSNBmK7W84?si=CKC8wnTugthYqtKQ
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#math #algebra #mathtutorials
You probably have not done this before, but if we start with x=(-b+-sqrt(b^2-4ac))/(2a), will we get back ax^2+bx+c=0?
Proving the quadratic formula by multiplying 4a first: youtu.be/3DSNBmK7W84?si=CKC8wnTugthYqtKQ
------------------
I help students master the basics of math. You can show your support and help me create even better content by becoming a patron on Patreon 👉 patreon.com/blackpenredpen.
Or shop for math t-shirts & hoodies 👉 amzn.to/3qBeuw6
Every bit of support means the world to me and motivates me to keep bringing you the best math lessons! Thank you!
------------------
#math #algebra #mathtutorials
