If an equation is written as E times F equals 0, solving it reduces to solving
AE = F = 1
BE + F = 0
CE - F = 0
DE = 0 or F = 0
Answer & Solution
Correct answer: D. E = 0 or F = 0
A product is zero only if a factor is zero, so each factor is set to zero separately.
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 EquationsExpand and simplify the algebraic expression: (x + 3)(x - 3)Evaluate 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?