Question

If C = x2 + 8x + 3 and B = x – 8, find an expression that equals 3C + B in standard form.

Answer 1

Answer: 3x^2 + 25x + 1

Step-by-step explanation:

3C + B

=> 3(x^2 + 8x + 3) + (x - 8)

=> 3x^2 + 24x + 9 + x - 8

=> 3x^2 + 25x + 1