gcharles918 gcharles918

30-05-2017
Mathematics

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Multiply (7x – 6)(8x +3). A. 56x 2 – 27x – 18 B. 12x 2 – 50x + 8 C. 56x 2 – 18 D. 56x 2 – 69x + 18

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angelicdragon12 angelicdragon12

30-05-2017

(7x-6)(8x+3)

Use the FOIL method

F: 7x • 8x = 56x^2
O: 7x • 3 = 21x
I: -6 • 8x = -48x
L: -6 • 3 = -18

[tex]56x^{2}+21x-48x-18[/tex]

Simplify
[tex]56x^{2}-27x-18[/tex]

Your answer is A.

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