Answer:
(x - 3)(x + 7)
Step-by-step explanation:
x^2 + 4x - 21
=> x^2 + 7x - 3x - 21
=> x(x + 7) -3(x + 7)
=> (x + 7)(x - 3)
Answer:
DEF = 81
Step-by-step explanation:
Inscribed Angle = 1/2 Intercepted Arc
DEF = 1/2 (162)
DEF = 81
The answer to your question is 43 just move the decimal one when multyplying by 10
