Answer:
12
Step-by-step explanation:
4x3=12
Steps to solve:
x - 5 for x = 15
~Substitute
15 - 5
~Subtract
10
Best of Luck!
5(a-3)(a-3)
5(a-3)^2
X^4(2x+1) - (2x+1)
(x^4-1)(2x+1)
(x^2-1)(x^2+1)(2x+1)
(x-1)(x-1)(x^2+1)(2x+1)
1x=-29
2x=-1
i hope its useful.