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19 Nov 2019
Subtract the following rational expressions: 3a/a-7 - 21/a-7
Please show work and help me understand why this is not3a-21/a-7 since 4x/x-3 + 9/x-3 = 4x+9/x-3?
Subtract the following rational expressions: 3a/a-7 - 21/a-7
Please show work and help me understand why this is not3a-21/a-7 since 4x/x-3 + 9/x-3 = 4x+9/x-3?
dcht24111997Lv10
12 Apr 2023
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8 Jan 2023
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Beverley SmithLv2
19 Nov 2019
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