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make each expression a perfect square trinomial

1. 9x²+__+100
2. __ 6b+9
3. a²+__+ 49
4. 25b²+ 20b +__
5. x²- 10x+ __​


Sagot :

Answer:

1. 60x

2. b^2

3. 14a

4. 4

5. 25

Step-by-step explanation:

1. (3x + 10) (3x + 10)

9x^2 + 30x + 30x + 100

9x^2 + 60x + 100

2. (b + 3) (b + 3)

b^2 + 3b + 3b + 9

b^2 + 6b + 9

3. (a + 7) (a + 7)

a^2 + 7a + 7a + 49

a^2 + 14a + 49

4. (5b + 2) (5b + 2)

25b^2 + 10b + 10b + 4

25b^2 + 20b + 4

5. (x - 5) (x - 5)

x^2 - 5x - 5x + 25

x^2 - 10x + 25

sana makatulong