WAEC - Mathematics (2017 - No. 10)
One factor of \(7x^2 + 33x - 10\) is
7x + 5
x - 2
7x - 2
x - 5
คำอธิบาย
\(7x^2 + 33x - 10\)
\(7x^2 + 35x - 2x - 10\)
7x (x + 5) - 2 (x + 5)
(7x - 2) (x + 5)
\(7x^2 + 33x - 10\)
\(7x^2 + 35x - 2x - 10\)
7x (x + 5) - 2 (x + 5)
(7x - 2) (x + 5)