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First you express the numbers as their prime factors:
3y = 3, y
y2 = y, y
Next you identify any common prime factors. In this case both numbers have y as a prime factor. Finally you multiply the numbers and divide by the HCF:
3y(y2)/y = 3y2 and thus the LCM is 3y2
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What is the LCM of 5 6 15?
5 is 56 is 2x 315 is 3 x 5then the LCM is 5 x 2 x 3 = 30
What is 4x to the 2nd power minus 36x plus 81?
(2x - 9)(2x - 9) or (2x - 9)2
What is the greatest common factor of 2x plus 12?
The GCF of 2x and 12 is 2.
Factor x squared plus 2x?
4
Show whether 0 3 is the solution of the linear system below 2x plus y equals -3 x plus 2y equals 8?
For (x, y) = (0, 3) the first equation gives: 2*0 + 3 = -3 that is, +3 = -3 which is FALSE. So (0, 3) is not a solution.
Factor 2x squared plus 2x plus xy plus y?
4
Y 2x-5 Y 2x plus 7?
Y = 2x-5 and Y = 2x plus 7 is a linear system which intersects at points (-2,2)
Y plus 2x equals 0 solve for y?
y= -2x
Y equals 2x plus 1?
Y = 2x + 1
Find the slope and the y-intercept what linear equation. Then graph 2x plus y equals -3?
2x plus y = -3 (subtract 2x from both sides) y = -2x - 3 slope = -2 y-intercept = -3
Factor xy plus 2x plus 4y plus 8?
xy plus 2x plus 4y plus 8 or (xy+2x) + (4y+8) or x(y+2) + 4(y+2) or (x+4)(y+2)
What is Y equals 2x plus 5 in standard form?
2x+y=1
What is the factor of 2x2-2x plus xy-y?
(x - 1)(2x + y)
How do you rewrite this equation so that y is a function of x 2x plus y equals 5?
Solve for y.2x+y=5*subtract 2x from both sides*2x+y-2x=5-2xy=-2x+5 / y=5-2x
2x plus z plus y plus 3x-z?
It is 5x+y
Write 2x plus y 7 in slope-intercept form.?
2x + y = 7y = -2x + 7
How do you factor 20x2 plus 22xy plus 6y2?
20x2 + 22xy + 6y2 = 20x2 + 10xy + 12xy + 6y2 = 10x(2x + y) + 6y(2x + y) = (2x + y)(10x + 6y) = 2(2x + y)(5x + 3y)
