Advertisements
Advertisements
प्रश्न
Add:
5x2 – 3xy + 4y2 – 9, 7y2 + 5xy – 2x2 + 13
Advertisements
उत्तर
We have,
(5x2 – 3xy + 4y2 – 9) + (7y2 + 5xy – 2x2 + 13)
= 5x2 – 3xy + 4y2 – 9 + 7y2 + 5xy – 2x2 + 13
= (5x2 – 2x2) + (–3xy + 5xy) + (4y2 + 7y2) + (–9 + 13) ...[Grouping like terms]
= 3x2 + 2xy + 11y2 + 4
APPEARS IN
संबंधित प्रश्न
Add the following:
a − b + ab, b − c + bc, c − a + ac
Simplify combining like terms: (3y2 + 5y - 4) - (8y - y2 - 4)
Subtract: -m2 + 5mn from 4m2 - 3mn + 8
What should be subtracted from 2a + 8b + 10 to get - 3a + 7b + 16?
Subtract:
\[\frac{ab}{7} - \frac{35}{3}bc + \frac{6}{5}ac \text { from } \frac{3}{5}bc - \frac{4}{5}ac\]
Add:
−3y2 + 10y − 16; 7y2 + 8
The expressions 8x + 3y and 7x + 2y cannot be added
Find the sum of the following expressions
7p + 6q, 5p – q, q + 16p
Add:
xy2z2 + 3x2y2z – 4x2yz2, – 9x2y2z + 3xy2z2 + x2yz2
Add the following expressions:
p2 – 7pq – q2 and –3p2 – 2pq + 7q2
