4x + 12 = 36
4(x+3) = 36
x+3 = 36/4
x+3 = 9
The set S = {x, y, z} has 3 elements.
The elements are x, y, and z.
Last verified on 09-07-2026
Expression: t² + 3x + 3
Constant = a number with no variable attached to it.
Check each term:
So the constant term is 3.
Last verified on 25-06-2026
(9)² - (8)² = ?
Method 1: Direct
9² = 81, 8² = 64
81 - 64 = 17
Method 2: Formula a² - b² = (a - b)(a + b)
(9 - 8)(9 + 8) = 1 × 17 = 17
Last verified on 16-06-2026
(4x + 2)(2x) means 2x multiplies both 4x and 2
2x × 4x = 8x² and 2x × 2 = 4x
Add them = 8x² + 4x
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