You have to collect like terms that means group the numbers that have the same variables
Hello,
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Answer B
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2x²+28x-5=2(x²+2*7x+49)-5-2*48
=2(x+7)²-103
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Answer:
70
Step-by-step explanation:
35 because the 4 segments have to total to 180
Answer:
Opposite
Step-by-step explanation: