Question

1. 4a4 + 4a2b + b2



a. (2a + b) (2a – b)

b. (2a + b)2

c. (2a2 + b)2

d. 4a (a3 + ab + b2)



2. x (m + 1) + (m + 1)

a. x (m + 1)

b. m (x + 1)

c. mx + 1

d. (m + 1) (x + 1)

3. x

2 + 9x – 10

a. (x – 10) (x – 1)

b. (x + 10) (x - 1)

c. (x - 10) (x + 1)

d. (x + 10) (x + 1)

4. 12x2
y + 15xy2 – 21x2



2

a. (6x + 10 xy)2

b. (6x + 21xy) (6x - 21xy)

c. 3xy (4x + 5y – 7xy)

d. xy (12x + 15y – 21 xy)

5. x

2 – x – 42

a. (x +7) (x + 6)

b. (x - 7) (x + 6)

c. (x -7) (x - 6)

d. (x + 7) (x - 6)

6. m4 – 20m2 + 100

a. (m4 + 10)2

b. (m - 10 )2

c. (m2 + 10 )2

d. (m2 – 10 )​

Answer 1

(2a²+b)²

2²a²×²+4a²b+b²

2²(a²)²+4a²b+b²

(2a²)²+4a²b+b²

Usando a²+2ab+b²=(a+b)²

(2a²+b)²

Answer 2

Respuesta:

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