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प्रश्न
Solve:
(3x + 2y)(7x − 8y)
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उत्तर
(3x + 2y)(7x − 8y)
= 3x (7x − 8y) + 2y(7x − 8y)
= 21x2 − 24xy + 14xy − 16y2
= 21x2 − 10xy − 16y2
संबंधित प्रश्न
Find each of the following product: \[\left( \frac{7}{9}a b^2 \right) \times \left( \frac{15}{7}a c^2 b \right) \times \left( - \frac{3}{5} a^2 c \right)\]
Find each of the following product:
(2.3xy) × (0.1x) × (0.16)
Express each of the following product as a monomials and verify the result in each case for x = 1:
(x2)3 × (2x) × (−4x) × (5)
Write down the product of −8x2y6 and −20xy. Verify the product for x = 2.5, y = 1.
Evaluate each of the following when x = 2, y = −1.
\[(2xy) \times \left( \frac{x^2 y}{4} \right) \times \left( x^2 \right) \times \left( y^2 \right)\]
Find the following product:
2a3(3a + 5b)
Simplify: a2(2a − 1) + 3a + a3 − 8
Multiply:
(2x + 8) by (x − 3)
Multiply: \[\left( - \frac{a}{7} + \frac{a^2}{9} \right)by\left( \frac{b}{2} - \frac{b^2}{3} \right)\].
What is the result of 2y(3y² − 4y + 5)?
