=−10x5−18x4+25x3−48x2+17x−14 is the right anwer...
Answer:
see explanation
Step-by-step explanation:
Note that 9x² and 49y² are perfect squares.
9x² = (3x)² → 3x is the first term
49y² = (7y)² → 7y is the second term
Hence
(3x + 7y)² = 9x² + 42xy + 49y²
Answer:
6 coins
Step-by-step explanation:
3 dimes
1 nickel
2 pennies
(2^3)=2*2*2=8
(2^-7)=1/2*1/2*1/2*1/2*1/2*1/2*1/2=1/128
8*1/128=1/16=.0625
Answer:
In a mathequation when needed
Step-by-step explanation:
