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Digital SAT Math - Advanced (hard) | Integer Product & Quadratic Equation | ID: 301faf80

[Key Concepts]
- Word problem translated into an algebraic equation
- Integer product setup: 𝑎×𝑏=462
- Substitution using the relationship 𝑎=5+2𝑏
- Forming and solving a quadratic equation
- Factoring the quadratic to find positive integer solutions

[Study Tip]
If you're given a relationship between two numbers, always try expressing one variable in terms of the other.
Substitute and simplify to form a standard quadratic equation, then factor or use the quadratic formula.
Don’t forget to discard any negative or non-integer solutions in integer-only problems!

📚 Selected from the official College Board Digital SAT practice questions.
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Видео Digital SAT Math - Advanced (hard) | Integer Product & Quadratic Equation | ID: 301faf80 канала The Calculus Hero
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