Answer:
a)
b)
c)
d)
Explanation:
Factor the expression using difference of two squares.
Formula:
Part a) x²-81
write 81 as perfect square.
Part b) (3x+y)² -(2y)²
Part c) 4-(x-1)²
write 4 as perfect square,
Part d) (x+2)²-(y-2)²
Felipe finished his history assignment in 2/5 hours. Then he completed his math assignment in 3/4 hours . How much more time did
1 answer:
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