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प्रश्न
Simplify combining like terms: (3y2 + 5y - 4) - (8y - y2 - 4)
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उत्तर
(3y2 + 5y - 4) - (8y - y2 - 4)
= 3y2 + 5y - 4 - 8y + y2 + 4
= 3y2 + y2 + 5y - 8y - 4 + 4
= y2 (3 + 1) + y(5 - 8) + 4 (1 - 1)
= 4y2 - 3y
संबंधित प्रश्न
Add the following:
l2 + m2, m2 + n2, n2 + l2, 2lm + 2mn + 2nl
Simplify combining like terms: 21b − 32 + 7b − 20b
Add: x2 - y2 - 1 , y2 - 1 - x2, 1- x2 - y2
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:
2a − b from 3a − 5b
Multiply: \[\left( \frac{x}{7} + \frac{x^2}{2} \right)by\left( \frac{2}{5} + \frac{9x}{4} \right)\]
Add:
2a + 6b + 8c; 16a + 13c + 18b
Add:
5x2 – 3xy + 4y2 – 9, 7y2 + 5xy – 2x2 + 13
Multiply the following:
(ab + c), (ab + c)
What should be added to x3 + 3x2y + 3xy2 + y3 to get x3 + y3?
