5a2 + 3a2x - 7a3 (+) 2a2 - 8a2× +4
5a^2 + 3a^2x-7a^3+2a^2-8a^2x+4Combine Like Terms: (-7a^3)+(3a^2x+ -8a^2x)+(5a^2+2a^2)+(4)-7a^3 - 5a^2x+7a^2+4
Answer:
A : −10a4+17a2s−6s2
Step-by-step explanation:=
=(−2a2+s)(5a2+−6s)
=(−2a2)(5a2)+(−2a2)(−6s)+(s)(5a2)+(s)(−6s)
=−10a4+12a2s+5a2s−6s2
=−10a4+17a2s−6s2
