Solve 3 x cube minus 4 x square
1 answer:
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Answer:
10
Step-by-step explanation:
You can get the three consecutive integers by using <em>algebraic expressions.</em>
Let's solve.
Let x be the <u>smallest even integer</u>.
Let x+2 be the second even integer.
Let x+4 be the largest even integer.
- x+x+2+x+4 = 36
- 3x+6 = 36
- 3x = 36-6
- 3x = 30
- x =
- x = 10
Therefore, 10 is the smallest even integer.
x+2 = 10+2 = 12
The second even integer is 12.
x+4 = 10+4 = 14
The largest even integer is 14.
Let's check by adding the three even integers.
10+12+14 = 36
36 = 36
<em>It's correct. </em>