She 56/92 6-5=1 and 567-1=566
342 = a²
switch sides:
for x² = f(a) the solutions are x = √ f(a) and - √ f(a)
therefore:
√ 342 = 18
-√ 342 = - 18
a = 18 and a = - 18
hope this helps!
Step-by-step explanation:
10/25=2/n
cross multiply
10*n=2*25
n=50/10
n=5