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One factor of 7x 2 33x - 10 is - WAEC Mathematics 2017 Question

One factor of \(7x^2 + 33x - 10\) is

A
7x + 5
B
x - 2
C
7x - 2
D
x - 5
correct option: c

\(7x^2 + 33x - 10\)

\(7x^2 + 35x - 2x - 10\)

7x (x + 5) - 2 (x + 5)

(7x - 2) (x + 5)

 

 

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