posted by .

Three times the square of a number minus twice the same number is 8. Find all such numbers.

  • Algebra. -

    Direct translation:

    3x^2 - 2x = 8
    3x^2 - 2x - 8 = 0
    (x - 2)(3x + 4) = 0
    x = 2 or x = -4/3

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math

    i^6 = (i^2)^3 = (-1)^3 = -1 The square, not the square root of -1 is 1. :) B.t.w., can you prove that -1 times -1 is 1?
  2. math

    yea it sais, three times one number added to another number is 18. twice the first number minus the other number is twelve. find the numbers
  3. Algebra 1

    Find three consecutive even numbers such that the difference between 3 times the first number and twice the second number is 1/3 the third number. also, my teacher told me to use an equation.
  4. algebra 2

    Find two negative numbers such that the sum of their squares is 170 and twice the square of the first minus 3 times the square of the second is 95
  5. Math

    twice a number minus a second number is -1. twice the second number added to three times the first number is 9. find the two numbers.
  6. math 100

    Find all numbers that twice the number is greatr than three time the number minus forty 2x>3x-40?
  7. algebra

    Three numbers are such that the first number is 10 less than twice the second and the second number is 4 more than three times the third. Twice the second number is equal to the sum of the first and third numbers. Find the numbers
  8. Algebra

    The sum of two numbers is 53. If twice the 1st number minus 3 times the second number is 26, find both numbers.
  9. Algebra

    Find 3 consecutive odd numbers such that the sum of 5 times the smaller number a twice the larger number is 33 more than six times the median number. Do not understand word problems. ..please help
  10. Algebra 1 Foundation Concepts rewrite

    1. Write an algebraic expression for the following word phrase: the quotient of r and 12. (1 point) A)r • 12 B)r + 12 C)r ÷ 12 F)r – 12 2. Write a word phrase for the algebraic expression 3x - 7. (1 point) A)the difference of …

More Similar Questions