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3:43
YouTube
Breakthrough Maths
How to use the Quadratic formula (-B formula)
You'll need to know this. The -B Formula or Quadratic Formula is an essential part of Algebra. Get this right. Learn the formula off by heart. When you spot some questions that say 'solve correct to two decimal places' you should be thinking of using the Quadratic or -B formula.
552 views
7 months ago
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