The product of three and a squared number is twice the sum of the number and four

Question

Trujillo

Mathematics

26 May, 17:48

The product of three and a squared number is twice the sum of the number and four

+1

Answers (2)

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Bruno · Answer 1

3x^2 = 2 (x + 4)

3x^2 = 2x + 8

3x^2 - 2x - 8 = 0

(3x + 4) (x - 2) = 0

3x + 4 = 0

3x = - 4

x = - 4/3

x - 2 = 0

x = 2

solution is : x = - 4/3 or x = 2 <==

Sunshine · Answer 2

3*y*2 = 2 (y+4)

now take it all to one side and solve it as a quadratic equation.