Simplify: 21y^5-42y^4+49y^3 over 7y^3
Simplify: 21y^5-42y^4+49y^3 over 7y^3
7^3x * 7 * 7^x-1
how do you solve this and what would the answer be to this I just simply cant figure this out! 5x + 4y =-1 -7x -2y=-13
7-(2-x)<x+3
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