4x - 5 = 11
4x = 11 + 5 = 16
4x = 16
Divide by 4 from both sides
X = 4
Answer:
2nd one
Step-by-step explanation:
C May be the answer sorry if it is wrong.
First term (a) = -15
common difference(d)= -9-(-15)
= -9+15=6
So,
12th term(a12)= a +(n-1)d
= -15+(12-1)×6
= -15 + 11×6
= -15+66
= 51
<span>50x - 32x^3
= 2x (25 - 16x^2)
hope that helps</span>