I would divide each side of the equation by 4.
25) -4
26) -8
27) 0
28) -7
29)6
Let's group the cubic function:

.
The first two roots are

however to find the last two roots we need to solve the square equation:

. Now we know the discriminator, using the discriminator we're able to find the roots of the equation:

. The roots of the square equation are

and

.
The roots of the cubic function are

,

and

.
Answer:
Step-by-step explanation:
10
the answer is 10
Answer:
Step-by-step explanation:
Here you go mate
Step 1
(1+1x)(1-2x+1)(1+2x-1) Equation/Question
Step 2
(1+1x)(1-2x+1)(1+2x-1) Remove parenthesis
-2x^2+2-4x^3+4x+2x^2-2
Step 3
-2x^2+2-4x^3+4x+2x^2-2 Simplify
-4x^3+4x
Answer
-4x^3+4x
Hope this helps