Explanation;
2x=256
2x=2 exponent 8
x=8
4x-1=64
x-1=4³
x-1=3
x=3+1
x=4
8x-2=16
x-2=8²
x-2=2
x=2+2
x=4
3x-2=81
x-2=3⁴
x-2=4
x=4+2
x=6
3²x=9 exponent 5x-4
2x=5x-4
4=5x-2x
4=3x(<em>divide</em><em> </em><em>bo</em><em>th</em><em> </em><em>sides</em><em> </em><em>by</em><em> </em><em>3</em><em>)</em>
<em>x</em><em>=</em><em>4</em><em>/</em><em>3</em>
Answer:
C
Step-by-step explanation:
9 because 9⁴ gives you that result, you can try on a calculator ;)
I got 3x^2 + 12x + 4. I recommend you verify my answer, so you have to combine like terms in the first expression then add all the expressions.
Answer:
x= 4/3
Step-by-step explanation:
Take cube root