Mathematics
07.04.2022 02:32
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What is the sum of the polynomials (8x^2-9y^2-4x)+ (x^2-3y^2-7x) Options: A: 7x^2-6y^2+3x
What is the sum of the polynomials
(8x^2-9y^2-4x)+ (x^2-3y^2-7x)
Options:
A: 7x^2-6y^2+3x
B: 9x^2-6y^2+3x
C: 9x^2-12y^2+3x
D: 9x^2-12y^2-11x
Show Answers
Options:
A: 7x^2-6y^2+3x
B: 9x^2-6y^2+3x
C: 9x^2-12y^2+3x
D: 9x^2-12y^2-11x
tristina20
4,7(56 marks)
D: 9x^2-12y^2-11x
Step-by-step explanation:
(8x^2-9y^2-4x)+ (x^2-3y^2-7x)
1. Eliminate redundant parentheses
8x^2-9y^2-4x+ x^2-3y^2-7x
2. Combine like terms
9x^2-12y^2-11x
3. Solution
9x^2-12y^2-11x
sarah02152005
4,6(7 marks)
Decimal Form:
x=2977.96
hope this helps
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