Answer:
wrong
Step-by-step explanation:
(a+b)^2=(a+b)(a+b)
=a(a+b)b(a+b)
=a^2+ab+ab+b^2
=a^2+2ab+b^2
i hope it helps you
A- isosceles
B- equilateral
C- scalene
thx-step explanation:
= -4x + 7 is the correct answer