10) 7(2m+3)
11) 3(3r-1)
12) 2p(5q+4)
Answer:
(x -1)(12x +13)
Step-by-step explanation:
You are looking to rewrite the middle term as the sum of terms that have factors of (12)(-13) that have a total of +1. Those factors are -12 and +13, so the expression you are factoring by grouping is ...
12x^2 +13x -12x -13
= x(12x +13) -1(12x +13)
= (x -1)(12x +13)
It can help them by concentrating like mind games and teaching them. Learning from their mistakes something like that. Like reading games that help you with your subjects.
Answer:
Angle A: 30°
Angle B: 60°
Angle C: 90°
Step-by-step explanation:
Hopefully this helps! :)
