1 answer:
The sum of x^2−3xy−y^2 and 2x^2+5xy−4y^2:
x^2−3xy−y^2 + 2x^2+5xy−4y^2
= 3x^2 + 2xy - 5y^2
From 6x^2−7xy+8y^2 subtract the sum of x^2−3xy−y^2 and 2x^2+5xy−4y^2:
6x^2−7xy+8y^2 - (3x^2 + 2xy - 5y^2)
= 6x^2−7xy+8y^2 - 3x^2 - 2xy + 5y^2
= 3x^2−9xy + 13y^2
Answer
3x^2−9xy + 13y^2
You might be interested in
<u>Answer:</u>
<h2>1÷25</h2>
<u>Steps:</u>
(13⁰/5)²
(1÷5)²
1²÷5²
1÷25
yes It has at least one set of parallel lines
Answer:
The smallest zero is -3.
Step-by-step explanation:
<span>d.5,5,5,5. A prime number is a number only divisible by 1 and itself. 1 is not a prime number.</span>
