Answer:
x = 5
Step-by-step explanation:
13. (a-b)^2=a^2-2ab+b^2
B is the answer
14. B is the answer
( x+9)(x-3)= x^2+6x-27
15. B is the answer
(x+6)(x-5)=x^2+x-30
16. D is the answer
(x-6y)(x-4y)=x^2-10xy+24y^2
17. C is the answer
(2x+5)(3x-4)=6x^2+7x-20
18. B is the answer
(5x+7)(x-2)=5x^2-3x-14
Answer:
Option (2)
Step-by-step explanation:
Option (1).
Therefore, both the sides of the expression are not equal.
False.
Option (2).
True.
Option (3).
False.
Option (4).
Both the sides are not equal.
False.
1. 8x8=64
2.64x12=768
3.8+4= 12. 12×12=144
4.they can times the amount people by every phone call to get their answer