Answer:
Formula used : (a^m)^n = a^(m×n)

- <u>d^⅝</u> is the right answer.
Okay so the value of X is 9x^2/7
Answer:

Step-by-step explanation:

Expand the brackets.

Add -9x and 5x

Add 4x and 6x on both sides.

Add the like terms.

Divide 12 into both sides.


I think the root of "3x + 1 = 7" is 2...
We have to divide 9/10 by 3/12.
if we divide by a fraction, we can instead multiply by it's inverse:

so now we count:

so we can cut exactly 3 pieces!