(a ± b)² = a² ± 2ab + b² . . . . . . . (signs match)
The middle term is twice the product of the roots of the other two terms. This tells you the terms of the binomial are the square roots of the end terms.
The sign in the binomial will match the sign of the "2ab" term. The order of terms in the binomial doesn't matter. (a±b)² = (b±a)² when signs match.
The greatest common factor of 10 and 20 is 10.
Answer:
16
Step-by-step explanation:
count the dots. each is one observation
Answer:
18
Step-by-step explanation:
To find the answer, multiply 24 by 3/4 or 0.75 to make it easier. 24 multiplied by 0.75 in a calculator is 18.