10-find whether 4m2-5 is a factor of 4m +7m-15 or not.
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Step-by-step explanation:
4mc²is a factor of 4m4++7m²-15
step by step
(4m²-5)4m4+7m²-15(m²+3)
4m4-5m²
- +
------------------------------------
0+12m²-15
12m²-15
- +
----------------------
. 0
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