What is the sum of the polynomials? (7x3 – 4x2) + (2x3 – 4x2)
Asked by maham237 @ in Mathematics viewed by 335 People
What is the sum of the polynomials?
(7x3 – 4x2) + (2x3 – 4x2)
a)5x3
b)9x3
c)5x3 – 8x2
d)9x3 – 8x2
Answered by maham237 @
If you have to find the sum of the polynomials , then you have:
1. group all terms that have equal degrees
.
2. Add the coefficients near terms of equal degree
7+2=9,
-4-4=-8.
3. Write the sum as .
Answer: correct choice is D.
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