The complete factor of the polynomial 9xy + 36x − 10y − 40 is (9x − 10) (y+4). Then the correct option is C.
Polynomial is an algebraic expression that consists of variables and coefficients. Variable are called unknown. We can apply arithmetic operations such as addition, subtraction, etc. But not divisible by variable.
Factor completely 9xy + 36x − 10y − 40.
Take 9x common from the first two terms and -10 from the last two terms. we have
9xy + 36x − 10y − 40
9x (y + 4) − 10 (y + 4)
Take y+4 common, then we have
(9x − 10) (y + 4)
The complete factor of the polynomial 9xy + 36x − 10y − 40 is (9x − 10) (y+4). Then the correct option is C.
More about the polynomial link is given below.
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