Answer:
1
Step-by-step explanation:
Look at the LHS: you have the square of x, then you have 2 times x, times -1. to complete a square you just need to add the square of -1, that is 1. That becomes
Answe5/4r:
Step-by-step explanation:
Answer:
12
Step-by-step explanation:
I think you have to use the product rule for counting- which is where you multiply the two numbers. I'm not sure if this is right but I hope I helped
4(3+x)
This is because 4*3=12 and 4*x is 4x so you get 12+4x which is the original equation
3, 5, 7
wanna know why, or do you not care?
