Question: Math

x^2 + 4x - 77 = 0 Factor and check

In Math | Asked by AnneS2
Answers

x^2 + 4x - 77 = 0

(x   )(x    )   (   -7)(    +11)=0

(x-7) (x+11) = 0

Check:

(x-7) (x+11) = 0

(x)(x)  (x)(11)  (-7)(x)  (-7)(11)=0

x^2       +11x     -7x        -77=0

x^2           +4x          -77=0

CherieS | 300 days ago