Question

I need help with this math problem please

Answer 1

A) (3x + 21)(x + 7)

Explanation:

If we look at the equation we can see that it is a quadratic equation, therefore we can factor it in the following way...

`3x^(2) + 42x + 147 = 3x^(2) + 21x + 21x + 147 = 3x(x + 7) + 21(x + 7) = (3x + 21)(x + 7)`

Therefore the answer is A)

Answer 2

C) 3(x+7)²

Explanation: