(a) Expand and Simplify:
(1) 3x (x+3)
To expand and simplify the expression 3x(x+3), we will distribute the 3x to both terms inside the parentheses:
3x(x+3) = 3x * x + 3x * 3
Simplifying further:
= 3x^2 + 9x
(1) 3x (x+3)
3x(x+3) = 3x * x + 3x * 3
Simplifying further:
= 3x^2 + 9x