# algebra1

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can someone help me simplify 2a^2b^3(4a^2+3ab^2-ab)=? the first part of the answer is 8a^4

• algebra1 -

not quite, you forgot the b part

1st term ---- 8a^4 b^3
etc.

• algebra1 -

2a^2b^3(4a^2+3ab^2-ab)
= 2a^2b^3*4a^2
+ 2a^2b^3*3ab^2
- 2a^2b^3*ab

= 8a^4b^3 + 6a^3b^5 - 2a^3b^4

• algebra1 -

i don't know whats after that i got +6a^3b^5-2a^3b^4. is it right?

• algebra1 -

ty

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