Step-by-step explanation:
x= undefined
y= 0
____________
The expression simplifies to 3a-21
Answer:
first one: yes
second one: yes
third one: no
fourth one: yes
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
370m - (65 x 2) = 240
240 divided by 2 = 120
Answer:
10X^2-42X+8=0
Step-by-step explanation:
Multiply all whats inside the brackets, i.e 5x*2x = 10^2
and 5x*8 =40x and -1*2x =-2x
add that you get -42x
AND Finally
-1*-8 = 8
