Description
The equation is -12r2 + 5r + 3
the 2 after the r is raised and so far i have taken out the negative
-(12r2 + 5r + 3)
Explanation & Answer
We have to find 2 numbers so that their product will equal
-12*3=-36(which is the product of coefficient of r^2 term and the constant term)
and also their sum will equal 5(which is the coefficient of r term).
Factors of -36 are
−36,−18,−12,−9,−6,−4,−3,−2,−1,1,2,3,4,6,9,12,18,36
Selecting the 2 numbers from factors of -36, we get
9 and -4
(because 9*(-4)=-36 and 9+(-4)=5)
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