Question

Формула: a²-b² = (a-b)*(a+b) Решите: 1)(c-d)*(c+d)= 2)100-x²= 3)(13+q)*(q-3)= 4)1+x²= 5)m2-4=

Answer 1

1) =c²-d²
2) =10²-x²=(10-x)(10+x)
3) =q²-3²=q²-9
4) =
5) =m²-2²=(m-2)(m+2)

Answer 2

1)c^2-d^2
2) (10-x)(10+x)
3) 13q+q^2-39-3q=10q+q^2-39
4)???
5)(m-2)(m+2)