Answer:
Step-by-step explanation:
6x2 + 5x - 4
6x2 + 8x - 3x - 4
2x(3x + 4) - 1(3x + 4)
(2x - 1) (3x + 4)
These are the factors
To get to 86 by only using 10's and 1's you count by 10, 8 times and count by 1, 6 times.
Answer:
x=16
Step-by-step explanation:
50+40=90
40-8=32
32/2=16
x=16
Answer:
3200
Step-by-step explanation:
Replace the variables with their values and do the arithmetic.
(4·5)²·8 = 20²·8 = 400·8 = 3200
9•44=396
396/54=7.3 repeating
Therefore y=7.33