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1 vote
Help ASAP please and thank you

Help ASAP please and thank you-example-1

2 Answers

3 votes

A. addition:


3x^(2)  + 2x - 6\\2x^(2)  - 2x + 10\\------\\5x^(2) + 4

B. subtraction:


3x^(2) + 2x - 6\\2x^(2) - 2x + 10\\-------\\x^(2) + 4x - 16

User Jon Eastwood
by
5.1k points
4 votes

Answer:

1. 5x²+4 2.-x²-4x+16

Explanation:

The question is on operations in quadratic equations

1. Addition

P=3x²+2x-6

Q= 2x²-2x+10

P+Q= 3x²+2x-6 +2x²-2x+10

Collect like terms

3x²+2x²+2x-2x-6+10

5x²+4

2.Subtraction

Q-P

(2x²-2x+10) -(3x²+2x-6)

open brackets

2x²-2x+10-3x²-2x+6

collect like terms

2x²-3x²-2x-2x+10+6

-x²-4x+16

-x²+4x+16

User Cnova
by
5.8k points