Expand the expression?
Perform indicated multiplication:
7a(2a)+7a(-5)-4(2a)-4(-5)
14a^2-35a-8a+20 combine like terms, ie (-35a-8a)=-43a
14a^2-43a+20
The answer is true. We know this because 9^2 - 6^2 is 45.
Answer:
58
Step-by-step explanation:
There would be 58 nickels and 42 dimes. This can be found out by
1. 100 - 16 = 84
2. 84/2 = 42
3. 42 + 16 = 58
making 42 dimes and 58 nickels.
Answer:
First, you’ll have to collect like terms
4x-x-3x=10+4+5
Next, step is to solve
3x-3x=14+5
0=19
Step-by-step explanation:
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Answer:
x = -5
y = -3
Step-by-step explanation:
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