Answer:
Step-by-step explanation:
![5x^2-20y^2\\=5(x^{2} -4y^2)\\=5[x^{2} -(2y)^2]\\=5(x+2y)(x-2y)](https://tex.z-dn.net/?f=5x%5E2-20y%5E2%5C%5C%3D5%28x%5E%7B2%7D%20-4y%5E2%29%5C%5C%3D5%5Bx%5E%7B2%7D%20-%282y%29%5E2%5D%5C%5C%3D5%28x%2B2y%29%28x-2y%29)
The correct answer is option 1
Do u need all of them solved
Answer:B
Step-by-step explanation:200 times 2 is 400
Answer
isolate the variable by dividing each side by factors that don't contain the variable.
y
=
1
Step-by-step explanation: