13x=8x+25
5x=25
X=5
5 is the answer
X 1 = 1 ; X 2 = -2
Step-by-step explanation:
We clear the whole numbers, equal to (zero) and use the calculation formula of the quadratic function, according the image:
1) 0.5 , 2)<span>71 or 73 or 79 , 3) well i would say 999</span>