y= x^2+20x+21
( x+3)(x+7)
or (x+7)(x+3)
Doesn't matter which one comes first
(x+3)(x+7) Answer
(x+7)(x+3) Answer
Answer:
( x + 7 ) ( x + 3 )
Solutions are -7 , -3
Explanation:
x² + 10 x + 21
x ( x + 3 ) + 7 ( x + 3 ) = 0
Factors = 3 , 7
Sum = 21
Product = 10
6.0m questions
7.9m answers