SOLUTION: 1. Find the value of C if 2xy-6x+7y+c is factorable

Question 18338: 1. Find the value of C if 2xy-6x+7y+c is factorable
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Find the value of c that will make factorable.
Try factoring by grouping.
Factor 2x from the left set of parentheses.
Factor a 7 from the second set of parentheses.
Now set and solve for c.
Subtract y from both sides.
Multiply both sides by 7.

Answer: c = -21
Check: Factor by grouping;
=
RELATED QUESTIONS
Find the value of c if 2xy-6x+7y+c (answered by ikleyn)

if P+ 7y+2xy-6x and Q=5-7y find the value of... (answered by algebrapro18)

If P = 7y + 2xy - 6x and Q = 5 - 7y, find the value of 3P - 4Q. (answered by checkley77)

Find a positive value of C so that the following trinomial is factorable.... (answered by funmath)

If P = 7y + 2xy - 6x and Q = 5 - 7y, find the value of 3P - 4Q. Please help I am very... (answered by checkley71)

find three values of k for which the expression {{{ 3x^2-6x+k }}} is... (answered by checkley77)

Find the value of "k" if f(x) = 3x2 + 6x + 1 is put into general form. a. -2 b.... (answered by uma)

If {{{ 2x^2+6x+c=0 }}} has exactly one solution, what is the value of... (answered by rothauserc)

What is the smallest possible value of the multivariable function f(x,y) = 2x^2 +y^2... (answered by ikleyn)