Answer:
Step-by-step explanation:
a.10^4=10000
b.10×9×8×7=5040
Expand (x+2)^2: x^2 + 4x + 4 : remember that (a+b)^2 = a^2 + 2ab + b^2
So: x^2 + 4x + 4 - x^2 = 60
Factor r 4 t 4 out of 5 r 8 t 5 − 3 r 4 t 4 . r 4 t 4 ( 5 r 4 t − 3 )
Answer:
5+4.6755.874+/
Step-by-step explanation:
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