Where is the image or graph that we are supposed to be solving?
STEP 1
Equation at the end of step
((14 • (x2)) - 7xy) - (3•72y2)
Equation at the end of step 2
((2•7x2) - 7xy) - (3•72y2)
STEP 3
STEP 4
Pulling out like terms
4.1 Pull out like factors :
14x2 - 7xy - 147y2 = 7 • (2x2 - xy - 21y2)
Trying to factor a multi variable polynomial :
4.2 Factoring 2x2 - xy - 21y2
Try to factor this multi-variable trinomial using trial and error
Found a factorization : (2x - 7y)•(x + 3y)
1. You would find 3.5% of 120,000 which is 4,270. then add it to 120,000 which is 162,270.
2. you would multiply every number in the word problem to get the interest. That would be $402.50 which is the answer
3/5
15/5=3
3*3=9
9 students packed lunches