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ND1-1-2023
The equation |-x| = 0 simplifies to x = 0 since the absolute value of any number is zero only when the number itself is zero.
Therefore, the solution set contains only {0}.
Last verified on 05-09-2026
Put x = -2 and y = 3 in x³y² + x²y
x³ = (-2)³ = -8
x² = (-2)² = 4
y² = 3² = 9
So x³y² = -8 x 9 = -72
And x²y = 4 x 3 = 12
Now add both: -72 + 12 = -60
When we divide numbers with same base we subtract the powers.
First 2^40 / 2^19 gives 2^(40-19) = 2^21.
Then 2^21 / 2^13 gives 2^(21-13) = 2^8.
Last verified on 04-09-2026
Solve: (2x + 3) / (x - 1) = 3
2x + 3 = 3(x - 1)
2x + 3 = 3x - 3
3 + 3 = 3x - 2x
x = 6
Last verified on 04-05-2026
|3| = 3, |−3| = 3, and 2² = 4.
|−3²| = |−9| = 9 → 3 − 3 − 4 − 9 = −13.
Last verified on 02-09-2026
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