(6z -1) (7zsqare -2z+5)
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(6z - 1 ) ( 7z^2 - 2z + 5)
= 42z^3 - 12z^2 + 30z - 7z^2 + 2z - 5
= 42z^3 - 19z^2 + 32z - 5
●hope it helps●
= 42z^3 - 12z^2 + 30z - 7z^2 + 2z - 5
= 42z^3 - 19z^2 + 32z - 5
●hope it helps●
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