30
All of them. 1x15,2x7.5, 3x5, 4x3.75, 5x3...
Multiply the factors, and you will know.
The answer is x = 9 and the workings and explanation are below for your information.3(3x + 1) = 4(2x + 3)First we need to multiply out the brackets. We will do this by multiplying each term inside the bracket with what is outside the bracket. So on the left side of the equation, for example, we will get:9x (because this is 3x * 3) + 3 (because this is 3 * 1).So when we multiply out both brackets we will get:9x + 3 = 8x + 12We now need to move all the "x's" to one side of the equation and all the constants (the numbers) to the other side. When we move anything from one side of an equation to the other side we have to change a positive to a negative and vice versa.So we will get:9x - 8x = -3 + 12Now we can simplify both sides to:x = 9.
... which is 2x + 2 = x so x = -2
1x15 3x5
This depends where the brackets go. If the equation you want to simplify is (2x)(x2) + 9 then we just multiply the parts in the brackets. When you multiply powers you add the power, so this is 2x3+9 If the equation is 2x(x2+9) then we need to multiply each part of the bracket by 2x. This gives 2x3+18x
4(2x - 3) + 3(2x + 2) 8x - 12 + 6x + 6 14x - 6
(x-2)(x+2)= x2+2x-2x-4= x2-4
30
x+3(x+1)=2x x + 3x + 3 = 2x 2x + 3 = 0 2x = -3 or x = -1.5
All of them. 1x15,2x7.5, 3x5, 4x3.75, 5x3...
The greatest common multiple of any set of integers is infinite. If you are looking for LEAST Common Multiple... 30 = 2x3x5 = 2x(3x5) 45 = 3x3x5 = 3x(3x5) 75 = 3x5x5 = 5x(3x5) so the LCM is 2x3x5x3x5 = 450 If you are looking for Greatest Common Factor, that would be 3x5 = 15
Multiply the factors, and you will know.
2X * 2X * 2X * 2X5 multiply the coefficients together and add the exponents = 168 ---------
The answer is x = 9 and the workings and explanation are below for your information.3(3x + 1) = 4(2x + 3)First we need to multiply out the brackets. We will do this by multiplying each term inside the bracket with what is outside the bracket. So on the left side of the equation, for example, we will get:9x (because this is 3x * 3) + 3 (because this is 3 * 1).So when we multiply out both brackets we will get:9x + 3 = 8x + 12We now need to move all the "x's" to one side of the equation and all the constants (the numbers) to the other side. When we move anything from one side of an equation to the other side we have to change a positive to a negative and vice versa.So we will get:9x - 8x = -3 + 12Now we can simplify both sides to:x = 9.
... which is 2x + 2 = x so x = -2