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vichka [17]
2 years ago
7

Help activity 1 and 2 , please i dont understand

Mathematics
2 answers:
Tamiku [17]2 years ago
4 0

Answer:

we have to factories it in both activities..

ch4aika [34]2 years ago
3 0

Answer:

Step-by-step explanation:

Activity 2:

c² - 6c - 40

Sum = -6

Product = -40

Factors= -10 , 4

c² - 6c -40 = c² - 10c - 4c - 10*4

                = c(c - 10) - 4(c - 10)

               = (c -10) (c -4)

e²  + 10e +16

Sum = 10

Product = 16

Factors= 2 , 8

e² + 10e + 16 = e² + 2e + 8e + 2*8

                      = e(e + 2) + 8(e + 2)

                     = (e + 2)(e +8)

h²  - 5h  - 24

Sum = -5

Product = -24

Factors = 3 , -8

h²  - 5h - 24 = h²  + 3h - 8h - 3*8

                     = h(h + 3) - 8(h + 3)

                    = (h +3)(h - 8)

3x²  - 5 x - 12

Sum = -5

Product = -12 * 3 = - 36

Factors = -9 , 4

3x²  - 5x - 12 = 3x²  - 9x + 4x - 4*3

                    = 3x(x - 3) + 4(x - 3)

                   =(x - 3) (3x + 4)

4x²  + 4 x  - 15

Sum = 4

Product = 4 * -15 = - 60

Factors = 10 , -6

4x²  + 4x - 15 = 4x²  + 10x - 6x - 3*5

                      =2x (2x + 5) - 3(2x +5)

                     = (2x + 5)(2x - 3)

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