📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    Five times a positive integer is 3 less than twice its

    square. Find the integer.
    A 2 Correct Answer Incorrect Answer
    B 5 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 8 Correct Answer Incorrect Answer

    Solution

    Let the positive integer be x, then 5x + 3 = 2x2 2x2 5x-3=0 2x²-6x+x-3 = 0 2x (x-3) + 1(x - 3) = 0 (2x + 1) (x - 3) = 0 Taking,   (x - 3) = 0 x = 3 So, the positive integer is 3.

    Practice Next

    Relevant for Exams:

    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call