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Byju's Answer

Standard VIII

Mathematics

Addition and Subtraction of Algebraic Expression

ii Subtract 3...

Question

Question 4(ii)
Subtract 3 xy + 5 yz - 7 zx from 5 xy - 2 yz - 2 zx +10 xyz

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Solution

5xy -2yz -2zx+10xyz
3xy+5yz -7zx
$\frac{(-) (-) (+)}{2 x y - 7 y z + 5 z x + 10 x y z}$

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Similar questions

Q. Subtract

3 x y + 5 y z - 7 z x

from

5 x y - 2 y z - 2 z x + 10 x y z

Subtract:
(i) $4 a - 7 a b + 3 b + 12$ from $12 a - 9 a b + 5 b - 3$
(ii) $3 x y + 5 y z - 7 x z$ from $5 x y - 2 y z - 2 x z + 10 x y z$
(iii) $4 p^{2} q - 3 p q + 5 p q^{2} - 8 p + 7 q - 10$ from $18 - 3 p - 11 q + 5 p q - 2 p q^{2} + 5 p^{2} q$

Q. (i)Subtract

4 a - 7 a b + 3 b + 12

from

12 a - 9 a b + 5 b - 3

.
(ii)Subtract

3 x y + 5 y z - 7 z x

from

5 x y - 2 y z - 2 z x + 10 x y z

.
(iii)Subtract

4 p^{2} q - 3 p q + 5 p q^{2} - 8 p + 7 q - 10

from

18 - 3 p - 11 q + 5 p q - 2 p q^{2} + 5 p^{2} q

Q. Add the following:
(i)

x - 3 y - 2 z 5 x + 7 y - z - 7 x - 2 y + 4 z

(ii)

m^{2} - 4 m + 5 - 2 m^{2} + 6 m - 6 - m^{2} - 2 m - 7

(iii)

2 x^{2} - 3 x y + y^{2} - 7 x^{2} - 5 x y - 2 y^{2} 4 x^{2} + x y - 6 y^{2}

(iv)

4 x y - 5 y z - 7 z x - 5 x y + 2 y z + z x - 2 x y - 3 y z + 3 z x

Q. Add the following:

$4 x y - 5 y z - 7 z$

$- 5 x y + 2 y z + z x$

$- 2 x y - 3 y z + 3 z x$

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Addition and Subtraction of Algebraic Expression

Standard VIII Mathematics

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Question 4(ii) Subtract 3 xy + 5 yz - 7 zx from 5 xy - 2 yz - 2 zx +10 xyz

5xy -2yz -2zx+10xyz 3xy+5yz -7zx (−)(−)(+)2xy−7yz+5zx+10xyz

Question 4(ii)
Subtract 3 xy + 5 yz - 7 zx from 5 xy - 2 yz - 2 zx +10 xyz

5xy -2yz -2zx+10xyz
3xy+5yz -7zx
$\frac{(-) (-) (+)}{2 x y - 7 y z + 5 z x + 10 x y z}$