Answer:
824
Step-by-step explanation:
the answer is 824
Exponent rule added:
12xx^2 -9x^2
rewrite 9 as 3 x 3, rewrite 12 as 3 x 4
3 * 4xx^2 - 3 * 3x^2 ( * is multiply)
factor common terms:
3x^2(4x-3) - answer.
X=5 if that's what you were asking for
Answer: 6 feet from the pivot point
<u>Step-by-step explanation:</u>
Girl's weight x distance from center = Boy's weight x distance from center
65 (7) = 75x

6.066 = x
The boy needs to be placed 6 feet from the center (aka pivot point) which is the same as saying 1 foot from the end of the seesaw.