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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:
(7ab) × (−5ab2c) × (6abc2)
Find each of the following product: \[\left( \frac{4}{3}p q^2 \right) \times \left( - \frac{1}{4} p^2 r \right) \times \left( 16 p^2 q^2 r^2 \right)\]
Express each of the following product as a monomials and verify the result in each case for x = 1:
(x2)3 × (2x) × (−4x) × (5)
Find the following product: \[\left( - \frac{7}{4}a b^2 c - \frac{6}{25} a^2 c^2 \right)( - 50 a^2 b^2 c^2 )\]
Multiply:
(7x + y) by (x + 5y)
Multiply:
(a − 1) by (0.1a2 + 3)
Multiply:
[−3d + (−7f)] by (5d + f)
Simplify:
(x2 − 2y2) (x + 4y) x2y2
Solve the following equation.
2(x − 4) = 4x + 2
Solve the following equation.
5(x + 1) = 74
