Question

From the sum of 5y


2 + 6yz, -5y


2 – yz – 4z

2

and 4yz + 3z

2

, subtract the sum of


5y

2 – 3z

2

and 8y

2 + 2yz – 6z

2
please help me before tomorrow

.

Answer 1

Answer:Add x2 + 2xy + y2 to the sum of x2 − 3y2 and 2x2 − y2+ 9. ... If P = 7x2 + 5xy − 9y2, Q = 4y2 − 3x2 − 6xy and R = −4x2 + xy + 5y2, show that P + Q + R ...

Step-by-step explanation: