When you multiply 2 negative numbers the answer will be positive, ALWAYS
you can multiply 281 and 3 you can add 840 and 3
Factors. example: 2 x 2 = 4 there, 2 and 2 are the 2 numbers you multiply, factors are the numbers you multiply together. It can be more that 2 factors.
280
a product
1 x 281, 281 x 1
Let the numbers be 'm' & 'n' Hence m + n = 2 mn = - 280 It follows that m = 2 - n Substitute (2 - n)n = -280 Multiply out the brackets 2n - n^2 = -280 n^2 - 2n - 280 = 0 It is now in Quadratic form. Either use the Quadratic Eq'n or 'Complete the Square'. n^2 - 2n = 280 (n - 1)^2 - (-1)^2 = 280 (n - 1)^2 = 281 Square root both sides n -1= sqrt(281) n = 1 +/- sqrt(281)
You can multiply any numbers together.
When you multiply 2 negative numbers the answer will be positive, ALWAYS
you can multiply 281 and 3 you can add 840 and 3
Factors. example: 2 x 2 = 4 there, 2 and 2 are the 2 numbers you multiply, factors are the numbers you multiply together. It can be more that 2 factors.
112 and 2 are 2 numbers
Two numbers that you can multiply together to get 72 are: 36 and 2.
280
2
a product
one way is to divide 281 by 100 and multiply the answer by 71.9 281 divided by 100 = 2.81 x 71.9 = 202.03