Kevin S. answered 02/02/13
Tutor
5
(4)
Using FOIL,
(1/2 x)(4x) + (1/2 x)(5) + (3)(4x) + 15 = 2x2 + (2 1/2)x + 12x + 15 = 2x2 + (14 1/2)x + 15
Marina, you are correct.
Marina K.
asked 02/02/13I got 2x^2+14 1/2x+15. Is this correct?
Kevin S. answered 02/02/13
Using FOIL,
(1/2 x)(4x) + (1/2 x)(5) + (3)(4x) + 15 = 2x2 + (2 1/2)x + 12x + 15 = 2x2 + (14 1/2)x + 15
Marina, you are correct.
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Marina K.
Thank you
02/02/13