Answer:
10/13
Step-by-step explanation:
if this is wrong, im sorry, but im pretty sure its correct
Factored form: 2x(2x^2+x+1)
You're subtracting them. :)
a=13 - 4b/5
b=65/4-5a/4
12
add 3x both sides
8x +3 = 99
subtract 3 on both sides
8x = 96
divide by 8
x = 96/8 = 12
ur answer is 5 and -5
Hope it helps :)