They are three algebraic terms, separated by spaces.
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It is: 30x+80 -8x = 22x+80 when simplified
(3x - 2)(x + 8)
2x = 3x - 22x - 3x = -2-x = -2x = 2Therefore, the number is 2.
It is 22x - 64.
3x - y = -4 3x - y = 0 Those lines do not intersect. They are parallel. You can demonstrate by solving either of them for one of the two variables, then plugging it's value into the other: 3x - y = -4 ∴y = 3x + 4 Now substitute: 3x - y = 0 ∴ 3x - (3x + 4) = 0 ∴ 3x - 3x - 4 = 0 ∴ -4 = 0 This result is obviously incorrect, indicating that the lines do not intersect.
3x² - 22x - 16 = (3x + 2)(x - 8)
It is: 30x+80 -8x = 22x+80 when simplified
(3x - 2)(x + 8)
3x2 + 22x + 7 = 3x2 +21x + x + 7 = 3x(x + 7) + (x + 7) = (x + 7)(3x + 1)
4x
-3x2 + 22x = 0 You start by dividing both sides by x: ∴ -3x + 22 = 0 Then rearrange to solve for x: ∴3x = 22 ∴ x = 7 + 1/3
It is an equation and the value of x is 7/19
2x = 3x - 22x - 3x = -2-x = -2x = 2Therefore, the number is 2.
3x * (x - 4) = 3x*x - 3x*4 = 3x^2 - 12x.
It is 22x - 64.
3x * (x - 4) = 3x*x - 3x*4 = 3x^2 - 12x.
3x - y = 4 Get y by itself to see if it is the same as y = 3x - 4: 3x = 4 + y 3x - 4 = y Therefore, 3x - y = 4 is the equivalent of y = 3x - 4.