Answer:
-1
Step-by-step explanation:
-4.2-(-2.9)
-4.2➡ is about -4
-2.9➡is about -3
-4-(-3)
-4+3
-1
Can you take the quantity [ x + y ] and square it ?
Can you take the quantity [ x + 2y ] and square it ?
Then you should have no trouble with the square of (.9x + .8y) .
The square of any binomial (expression with 2 terms) is
(square of the first term)
+ (square of the second term)
+ 2 times (product of the terms) .
Answer:
Step-by-step explanation:
it's - 6 Anasta :)
ok is there more info about it
