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प्रश्न
Add: 14x + 10y - 12xy - 13, 18 - 7x - 10y + 8xy, 4xy
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उत्तर
(14x + 10y - 12xy - 13) + (18 - 7x - 10y + 8yx) + 4xy
= 14x + 10y - 12xy - 13 + 18 - 7x - 10y + 8yx + 4xy
= 14x - 7x + 10y - 10y - 12xy + 8yx + 4xy - 13 + 18
= x (14 - 7) + y (10 - 10) + xy (-12 + 8 + 4) - 13 + 18
= 7x + 5
संबंधित प्रश्न
Add: 4x2y, - 3xy2, - 5xy2, 5x2y
Subtract: - 5y2 from y2
Add the following algebraic expression:
\[\frac{3}{2}a - \frac{5}{4}b + \frac{2}{5}c, \frac{2}{3}a - \frac{7}{2}b + \frac{7}{2}c, \frac{5}{3}a + \frac{5}{2}b - \frac{5}{4}c\]
Add the following algebraic expression:
\[\frac{11}{2}xy + \frac{12}{5}y + \frac{13}{7}x, - \frac{11}{2}y - \frac{12}{5}x - \frac{13}{7}xy\]
Subtract:
\[\frac{ab}{7} - \frac{35}{3}bc + \frac{6}{5}ac \text { from } \frac{3}{5}bc - \frac{4}{5}ac\]
Multiply: \[\left( \frac{x}{7} + \frac{x^2}{2} \right)by\left( \frac{2}{5} + \frac{9x}{4} \right)\]
Add: 2a + b + 3c and `"a" + 1/3"b" + 2/5"c"`
Sum of 2 and p is 2p.
Add the following expressions:
t – t2 – t3 – 14; 15t3 + 13 + 9t – 8t2; 12t2 – 19 – 24t and 4t – 9t2 + 19t3
How much is y4 – 12y2 + y + 14 greater than 17y3 + 34y2 – 51y + 68?
