Find the product. (7x+2)(x−1) A 8x+1 B 6x+3 C 7x2−5x−2 D 7x2−2
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Answer:
7x^2 -5x-2
Step-by-step explanation:
(7x+2)(x−1)
FOIL
first 7x*x = 7x^2
outer 7x*-1 = -7x
inner 2x
last 2*-1 = -2
Add them together
7x^2 -7x+2x -2
7x^2 -5x-2
Answer:
[tex] \boxed{\red{7 {x}^{2} - 5x - 2}}[/tex]
Answer C is correct
Step-by-step explanation:
[tex](7x + 2)(x - 1) \\ 7x(x - 1) + 2(x -1 ) \\ 7 {x}^{2} - 7x + 2x - 2 \\ = 7 {x}^{2} - 5x - 2[/tex]