Evaluate The Expression 3(× - 1)² +2× - 7 for × = 3
2 answers:
(hope that helps )
ANSWER: 35
STEP BY STEP:
First rewrite the equation
(sry I cannot do exponents so I put the whole #) ⇩
3(x-1)2 + 2x -7
Then substitute x for what it is, in this case 3.
3(3-1)2 + 2x -7
Distribute
(9-3)2 + 2(3) - 7
Solve what is inside the parentheses
6 2 + 2(3) - 7
Solve exponents
36 + 2(3) - 7
Solve multiplication
36 + 6 - 7
Add
42 - 7
Subtract for final answer
35
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<h3>
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