Suma, Recta, Multiplicación y División de enteros. (/ representa División) 1. -34+24=

2. 56-100=

3. -5×-9=

4. -27/9=

5.243/(-3)=

6. 45×-13=

7.-8-12=

8. -20+(-20)=

9. -3-(-7)=

10. 31×-5=

11. -1000/(-10)=

12. -2×0=

13. 25-24=

14. -24+40=

15. 6+(-9)=

16. -63/7=

17. -50×-20=

18. -7×-8=

19. 9-(-10)=

20. 0×-100=​

1.-34+24=10

2. 56-100=44

3.-5×-9=45

4.-27/9=3

5.243/(-3)=21

6.45×-13= 585

7.8-12=9

8.-20+(-20)=40

9.3-(-7)= 10

10.31×-5=155

11.1000/(-10)=100

12.-2×0=0

13.25-24=1

14.24+40= 64

15.6+(-9)=3

16.-63/7=9

17.-50×-20=1000

18.-7×-8=18

19.9-(-10)=19

20.0×-100=0

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

15 units use socratic

step-by-step explanation: 15 units