(s + 1)(s - 1) = s^2 - 1
= 19-1 = 18
is it factorisatiom or solving equation?
Step-by-step explanation:
2m² + 2m - 12 divide the equation by 2
then: m² + m - 6
factorise: (m + 3)(m - 2)
solve m + 3 =0 or m - 2 =0
m= -3 or m = 2
Sorry I’m not sure either I also tried to remove one of mine.
U have to find the prime factors of each term to find the GCF but the answer is 8
Answer:
"SAS" is when we know two sides and the angle between them. Then use the three angles add to 180° to find the last angle.
Step-by-step explanation:
The angle must be between the two sides