10ax - 5ay + 2bx - by
=10ax + 2bx - 5ay - by
=2x(5a + b ) - y(5a + b )
=(2x - y )(5a +b)
Answer:
total 3 roots,
How do I know?:
put this function in graphing calculator
And if you don't have a graphing calculator, then calculate it out bu yourself:
(x + 1)(x − 1)(x − 7) = 0
Answer:
20
Step-by-step explanation:
Scale factor = 8/16 = 1/2
So, 10/x = 1/2
x = 10*2
x = 20
Answer:
Step-by-step explanation:
620.50 * 12 = 7,446
597.20 * 12 = 7,116.4
7446 - 7116.4 = 329.6