Question

Given the trinomial, what is the value of the coefficient 'B' in the factored form?

2x2 + 14xy − 36y2 = 2(x + By)(x − 2y)

B= ____________

Answer 1

i think its nine

Answer 2

you are right with nine

Answer 3

work with the left hand side:
\[2x^2 +14xy-36y^2\]
\[2(x^2+7xy-13y^2)\]
And so on.

Answer 4

so 9?