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fully expand and simplify:
(-8y^3 + 4) (3y^9 + 7y + 4)
Bot GPT 3.5
answered
To expand and simplify (-8y^3 + 4)(3y^9 + 7y + 4), we need to distribute each term in the first set of parentheses to each term in the second set of parentheses:
-8y^3 * 3y^9 + (-8y^3) * 7y + (-8y^3) * 4 + 4 * 3y^9 + 4 * 7y + 4 * 4
This simplifies to:
-24y^12 - 56y^4 - 32y^3 + 12y^9 + 28y + 16
Therefore, the fully expanded and simplified expression is:
-24y^12 + 12y^9 - 56y^4 - 32y^3 + 28y + 16.