if x=2. y=1 then the value of x²-4xy+4y² is?
Answers
Answered by
11
Step-by-step explanation:
x = 2 and y = 1
- x² - 4xy + 4y²
- (2) ² - 4*2*1 + 4(1) ²
- 4 - 8 + 4
- 8 - 8
- 0
x² - 4xy + 4y² = 0
Answered by
2
x=2 y=1
now let me substitute these digits with the variables
2²-4x2x1+4x1²
4-4x2x1+4x1
4(-4x2x1)+4x1
4-8+4x1
4-8+4
8-8
0
edit = I don't even get a thank you eh is that how it is
another future edit = thanks 4 the thank you mate really appreciate it
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