(x2 + 3x + 5)(x2 - 3x + 4)
(x+6)*(x-4)
(x + 10)(x + 4)
If that's -3x, the answer is (x - 7)(x + 4) If that's +3x, the answer is (x + 7)(x - 4)
x2-5x-36 = (x-9(x+4) when factored
It factors to: (x-4)(x+1)
The factors of the expression, x2 + 3x - 4 are (x + 4) and (x - 1). As no binomials have been shown then the answer can be checked against the missing expressions to see if there is a match.
just make the trinomial easier to factor. ex -x2 + 3x + 4 ... most books don't teach you how to factor when a leading term is negative. ... so -1(x2- 3x- 4) ... now factor again ignoring the -1 -1(x - 4)(x + 1)
2 1/4
x + 4
(x2 + 3x + 5)(x2 - 3x + 4)
x2-5x+4 = (x-1)(x-4) when factored
. x + 4
X - 4
x2+14x+40 = (x+4)(x+10) when factored
(x-11)(x-4)
(x+6)*(x-4)