Answer: = 
Step-by-step explanation:
First, Combine Like Terms:
= 3x^2 + −5x^2 + 4x^2
=(3x^2+ −5x^2 + 4x^2)
=2x^2
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Answer:

Step-by-step explanation:
y - 8 = ⅗(x - 5)
y - 8 = ⅗x - 3
+ 8 + 8
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Answer:
1500
Step-by-step explanation:
10 * 10 = 100
35*40 = 1400
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