Expand, and simplify the following expressions a. (2x+y)(x+y) + (2x-y)(x+y)
2 answers:
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Two consecutive integers can be written like x, and x+1
sum means add them together.
so,
combine like terms and solve for x.
sum means add them together.
so,
combine like terms and solve for x.
We know what every year has 365 but once every four years has 366. We can simplify it by saying that every year has 365 and 1/4 days
Now, we just have to mulitiply
So we can say that 50 years have 18262 days and chance to 18263 (depends when we started counting)
Now, we just have to mulitiply
So we can say that 50 years have 18262 days and chance to 18263 (depends when we started counting)