Beth would be four years old
We know the algebraic identity: (a - b)(a + b) = a^2 + b^2. Therefore, we should square 3 and 4x.
- = (3)^2 - (4x)^2
- 9 - 16x^2
<u>Answer</u><u>:</u>
<u>9</u><u> </u><u>-</u><u> </u><u>1</u><u>6</u><u>x</u><u>^</u><u>2</u>
Hope you could understand.
If you have any query, feel free to ask
All of them can be accomplished with electronic banking, but C and D would be easiest to do online.
Well if I did the math correctly it should be B) <span>9√5</span>
