The expression (x − 4)2 is equivalent to x2 − 16 x2 + 16 x2 − 8x + 16 x2 + 8x + 16
1 answer:
Answer:
Given below
Step-by-step explanation:
The algebraic identity is (a-b)^2
= a^2 + b^2 - 2ab
So it'll be,
(x-4)^2
= x^2 + (4)^2 - (2)(x)(4)
= x^2 -8x + 16
or x^2 +16 -8x
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Answer:
64,890
Step-by-step explanation:
105×3 =315
103×2= 206
315×206= 64,890
-2(-5)^2 + 7
Let the full marks = x
Then, it would be: x*40/100 = 60
x = 6000/40
x = 150
Full marks will be 150
The answer is 60 bc -3 x -4 is 12, and 12x5 is 60
Seconded to the bottomed is symmetric property of equality
