Question

Find the value of x.
(3x + 3) (5x + 1)

Please help me :)

Answer 1

22

Explanation:

The angles form a linear pair, and thus add to 180°.

`3x+3+5x+1=180 \\ \\ 8x+4=180 \\ \\ 2x+1=45 \\ \\ 2x=44 \\ x=22`