2x2-12x-54 = 0
Solve by factoring or using the quadratic equation formula or by completing the square:
(2x+6)(x-9) = 0
Therefore: x = -3 or x = 9
To find the original number when given the prime factors, we have to work backwards. First, we simplify into 2 squared times 3 squared. (2x2) x (3x3) Then we expand the brackets. 4 x 9 = 54 Therefore 54 is the number, with 2x2 and 3x3 as the prime factors.
To find out how many sixes are in 54, you divide 54 by 6. When you do this calculation, 54 divided by 6 equals 9. Therefore, there are nine sixes in 54.
-9x + 2y = -69 So 2y = 9x - 69 The other equation can be written as 6x - 4y = 54 or 6x - 2*2y = 54 Substituting for 2y gives 6x - 2*(9x - 69) = 54 6x - 18x + 138 = 54 12x = 84 x = 7 and then 2y = 9x - 69 = 9*7 - 69 = 63-69 = -6 so that y = -3
54
To find out what number multiplied by 18 equals 54, you can set up an equation: 18x = 54. To solve for x, divide both sides by 18: x = 54 / 18. Simplifying the division gives x = 3. Therefore, 18 times 3 equals 54.
Depends on how big you cut the pieces. If you cut 2x2 inch pieces, a 12x18 cake will yield 54 servings.
2x2-24x-320 in simpler terms is 2(x2-12x-160) 2(x2-12x-160) =2(x-20)(x+8)
To find the original number when given the prime factors, we have to work backwards. First, we simplify into 2 squared times 3 squared. (2x2) x (3x3) Then we expand the brackets. 4 x 9 = 54 Therefore 54 is the number, with 2x2 and 3x3 as the prime factors.
It is: 126 plus 54 = 180
6x = 54 Therefore, x = 54/6 x = 9 6 x 9 = 54
7
To find two-thirds of 54, you first need to calculate one-third of 54. To do this, divide 54 by 3, which equals 18. Next, multiply 18 by 2 to find two-thirds of 54, which equals 36. Therefore, two-thirds of 54 is 36.
54th = 1/54. Divide 79 by 1/54 to find out how many there are: 79 ÷ 1/54 = 79 × 54/1 = 4266
To find the value of x in the equation 8x = 54, you would divide both sides by 8 to isolate x. This gives you x = 54/8 = 6. Therefore, 8 times 6 equals 54.
-9x + 2y = -69 So 2y = 9x - 69 The other equation can be written as 6x - 4y = 54 or 6x - 2*2y = 54 Substituting for 2y gives 6x - 2*(9x - 69) = 54 6x - 18x + 138 = 54 12x = 84 x = 7 and then 2y = 9x - 69 = 9*7 - 69 = 63-69 = -6 so that y = -3
9 multiplied by 6 equals 54. 2 times by 27 equals 54
2x + 33x - 54 35x - 54 We can not find x with the information given. You need to equate somethingto your equation. If your equation equals 0 then... 0=35x-54 35x=54 x=1.543 IF your equation equals x then... x=35x-54 -34x=-54 x=1.588