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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:
\[\left( - \frac{2}{7} a^4 \right) \times \left( - \frac{3}{4} a^2 b \right) \times \left( - \frac{14}{5} b^2 \right)\]
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: \[\left( \frac{4}{3} u^2 vw \right) \times \left( - 5uv w^2 \right) \times \left( \frac{1}{3} v^2 wu \right)\]
Simplify: x(x + 4) + 3x(2x2 − 1) + 4x2 + 4
Multiply:
(a − 1) by (0.1a2 + 3)
Multiply:
(x6 − y6) by (x2 + y2)
Simplify:
x2(x + 2y) (x − 3y)
Show that: \[\left( \frac{4m}{3} - \frac{3n}{4} \right)^2 + 2mn = \frac{16 m^2}{9} + \frac{9 n^2}{16}\]
Multiply:
16xy × 18xy
What is the product of 3x and 4x²?
