Question

If 5-x=3 then what is 3x^2

Answer 1

Answer:-

• Given:-

• 5 - x = 3

• Solution:-

➪ 5 - x - 3 = 0

➪ 5 - 3 - x = 0

➪ 2 - x = 0

➪ 2 = x

Hence, x = 2

Now,

✯ 3x²

➪ 3 × (2)²

➪ 3 × 4

➪ 12

Therefore, 3x² will be = 12.