MATH SOLVE

4 months ago

Q:
# Solve (-2x-1)(9x+2) Solve and show work

Accepted Solution

A:

Answer:-0.5 or -2/9Step-by-step explanation:(-2x-1)(9x+2)open the bracket-18x² - 4x - 9x - 2-18x²-13x-2(18x²+9x)(+4x+2)factorise9x(2x+1) +2(2x+1)(9x+2)(2x+1):separate the bracket and equate to 09x+2=0collect like terms9x= -2divide through by 9x= -2/9 or4x = -2divide through by 4x = -2/4: x = -0.5answer = -0.5 or -2/9