Question

The sides of a triangle are given by 3x2 - y2; 4x2
7xy + 4y2 and 3x2 + 7xy + 8y? Find its per
3 The sides of a rectangle are given by x? + 3y and x? -- y. Find its perimeter.
4 Do the following subtractions,
#3x42
30s
d 9a + 8b 90
2​

Answer 1

Answer:

............................................

Answer 2

Step-by-step explanation:

perimeter of a triangle =add all the sides

3x2+0xy-y2

4x2-7xy+4y

-3x2+7xy+8y2

____________

4x2+11y2

________________ answer= 4x2+11y2