Math Problem Statement
Factorise c et remplace x par -2
On donne C = -3x(4 - 5x) + (4 - 5x)(-3 - 4x). 1) Développer et réduire C. 2) Factoriser C. 3) Calculer C pour : a) x = -2, b) x = 2/3
Solution
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Would you like to proceed with that or ask any other questions?
Here are five related questions you can consider:
- How do you expand and reduce algebraic expressions?
- What methods can be used to factor quadratic expressions?
- What is the significance of factoring in algebra?
- How do you substitute values into an algebraic expression?
- How do you verify if a factored expression is correct?
Tip: Always double-check your factored expressions by expanding them back out to confirm they match the original equation.
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Math Problem Analysis
Mathematical Concepts
Algebra
Polynomial Expansion
Factoring
Substitution
Formulas
Distributive property: a(b + c) = ab + ac
Factoring polynomials
Theorems
Distributive law
Polynomial factorization
Suitable Grade Level
Grades 8-10