Question

Thrice the square of a natural number decreased by four times the number is equal to 50 more than the number. The number is:
a. 4 b. 5 c. 10 d. 6​

Answer 1

Answer:

b) 5

Step-by-step explanation:

this is your answer

Answer 2

$let \: the \: number \: b e \: x.$

$then$

$3 {x}^{2} \: - 4x = x + 50$

$3 {x}^{2} - 5x - 50 = 0$

$(3x + 10)(x - 5) = 0$

$x = 5$

b) 5 is the Answer

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