Question

Solve using identities
1) (x + 4) whole power 2
2) (x – 5) whole power 2
3) (x +9) whole power 2
4) (x – 7) whole power 2
5) (x + 6) whole power 2

Answer 1

Answer:

(a+b) whole power 2 = a whole power 2+2ab + b whole power 2.

1) (x) whole power 2+ 2(x)(4) + (4) whole power 2

= x power 2 + 8x + 16

2) x power 2 - 2(x)(5) + 5 power 2

x power 2 - 10x + 25

3) x power 2 + 2(x)(9) + 9 power 2

x power 2 + 18x + 81

4) x power 2 - 2(x)(7) + 7 power 2

x power 2 - 14x + 49

5) x power 2 + 2(x)(6) + 6 power 2

x power 2 + 12x + 36

HOPE IT HELPS