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Mathematics, 23.10.2020 23:20 kluckey3426
Amber simplified the expression (a4+7a−16)−(12a3−5a+3) below. Amber made her first error at,
Problem: (a4+7a−16)−(12a3−5a+3)
Step 1: a4+7a−16−12a3+5a−3
Step 2: a4−12a3+7a+5a−16−3
Step 3: −11a+7a+5a−16−3
Step 4: −11a+12a−16−3
Step 5: −11a+12a−19
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Answers: 2
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Amber simplified the expression (a4+7a−16)−(12a3−5a+3) below. Amber made her first error at,
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