Answer:
x=-149
Step-by-step explanation:
12+x=-137
12-12+x=-137 Subtract 12 on both sides
What do you want me to answer?
I think they're vertical angles
x~Shaun
Put the given numbers where the variables are, then do the arithmetic.
(2x+1)(2x2+3)
Factor 4x3+2x2+6x+3
4x3+2x2+6x+3
=(2x+1)(2x2+3)
