(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.
Line a has a larger value
Answer:
Step-by-step explanation:
12.3 + 9.6 = 21.9
Answer:
1. SSS; Triangle ABC is congruent to Triangle DEF; sorry there's no triangle symbol on here.
2. HL; CBA is congruent to ZYX; or ABC is congruent to XYZ
Step-by-step explanation: