Answer:
If x^2 = 1, then x = 1 is NOT true because x can also be -1.
Answer:
2(x) +4 = 6
2(x) +4 -4 = 6 - 4
2x = 2
2x/2 = 2/2
x = 1
Step-by-step explanation:
Answer:21x^2-16x-16
Step-by-step explanation:
(3x)(7x)+(3x)(4)+(−4)(7x)+(−4)(4) =
21x^2+12x−28x−16
21x^2−16x−16
