Answer:
(x-4)(x+5)
Step-by-step explanation:
Find 2 numbers knowing sum (1) and product (-20). To find them, factor pairs of (-20) --> (-2,10) (-4,5). This sum is 1=b. Then, these 2 numbers are: - 4 and 5. Y=(x-4) (x+5). Hope this helped :)
(7,6) (-3,-1)
(x1,y1) (x2,y2)
your answer is x = 3
hmmmmmmmmmm
A, D,F are triangle sides