A. <span>isolating the x² term and finding the square root of both sides </span>
Answer:
180 cards
Step-by-step explanation:
45x 4= 180
(x+5)(x-6)
x^2-6x+5x-30
x^2-x-30
Solving for x
x=3/8m-5/4,m
Solving for m
m=10/3+8/3x,x
If that helps, but I'm pretty sure the answer is -1 that is what I have found in Google that is what all the answers are that in finding.