X-5 + 5x-12 = 25
combine like terms
6x-17 = 25
add 17
25 + 17 =42
6x + 42
x = 7
3. =1260
Step-by-step explanation:
3.= 9×(32+108)
= 9×140
= 1260 .
Quadratic trinomial is the answer because the exponent is 2
1.725
Explanation 1/4 or .25 multiplied by the total of 6.9
This photo shows how to solve