(7-a)(4-3a)
Use the FOIL method:
= 7*4 + 7*(-3a) + (-a)*4 + (-a)*(-3a)
= 28 - 21a - 4a + 3a2
Rearranging and combining like terms:
= 3a2 - 25a + 28
Dawn L.
asked • 12/20/14multiply this polynomial (7-a) (4-3a)
multiply this polynomial (7-a) (4-3a)
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