alleryবীজগণিতীয় ৰাশিটো বিস্তাৰ আৰু সৰল কৰক: (x + 3)(x - 3)
Ax^2 - 9
Bx^2 - 6
Cx^2 + 9
Dx^2 - 3
Answer & Solution
Correct answer: A. x^2 - 9
(x + 3)(x - 3) = x^2 - 3^2 = x^2 - 9 (বৰ্গৰ অন্তৰ)।
Keep practising Elementary Algebra
Browse all Elementary Algebra questions for RRB NTPC, or explore more Mathematics topics.
Related questions
RRB NTPC · Algebraic ExpansionsRRB NTPC · Solving Linear EquationsEvaluate the quadratic expression 2x^2 + 5x - 4 when x = 3:If a + b = 10 and a - b = 4, what is the value of a?Solve for x: 3x - 7 = 14. What is the value of x?RRB NTPC · Solve Linear EquationsWhen a system of two lines on the plane has no intersection, what is its solution set?In elementary algebra, what term designates letters used to represent non-specified number