Question

EXERCISE 19(B)
3a + 4b + 7c,
2x2 + xy - y?
x2 - X + 1,
a2 - ab + bc
-5a + 3b - 60
-x² + 2xy + 3y²
-5x² + 2X-2
2ab + bc - 2a?
4x - x2 + 8
xy - 4x + 2y2
and 4a - 2b - 40.
and 3x2 - 10xy +4y2.
and 3x2 - 3x + 1.
and -3bc + 3a2 + ab.
and -10 + 5x - 2x2.
and 3y2 - xy + 6x.
(IV)
(vi) 3x + 4xy - y?
Find the surn of:
(v) 4x2 + 7 - 3x,​

Answer 1

Answer:

EXERCISE 19(B)

3a + 4b + 7c,

2x2 + xy - y?

x2 - X + 1,

a2 - ab + bc

-5a + 3b - 60

-x² + 2xy + 3y²

-5x² + 2X-2

2ab + bc - 2a?

4x - x2 + 8

xy - 4x + 2y2

and 4a - 2b - 40.

and 3x2 - 10xy +4y2.

and 3x2 - 3x + 1.

Answer 2

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