14 (3y - 5z)^2 - 21 (5z - 3y)^3
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Answered by
1
Answer:
STEP
1
:
Equation at the end of step 1
((14•(3y-5z))•2)-(21•(5z-3y)•3)
STEP
2
:
Equation at the end of step 2
((14 • (3y - 5z)) • 2) - 63 • (5z - 3y)
STEP
3
:
Equation at the end of step 3
(14 • (3y - 5z) • 2) - 63 • (5z - 3y)
STEP
4
:
Equation at the end of step 4
28 • (3y - 5z) - 63 • (5z - 3y)
STEP
5
:
Pulling out like terms
5.1 Pull out 3y-5z
Note that 5z-3y =(-1)• 3y-5z
After pulling out, we are left with :
(3y-5z) • ( 28 * (-1) +( 63 * (-1) ))
Final result :
-91 • (3y - 5z)
Answered by
1
Step-by-step explanation:
hope it helps you my ans is in the picture
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