Answer:
16 and -225
Step-by-step explanation:
2×2=4
then 4²=16
3×(-5)=-15
then-15²=-225
OK (2x+2) (2x+2)
4x²+4x+4x+4
4x²+8x+4 then we have (3x-5)²
(3x-5) (3x-5)
9x²-5x-15x-25
9x²-20x-25
if we add the two answers
9x²-20x-25+4x²+4x+4x+4=
13x²-12x-21
