Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions for Mathematics

Find the following product:
−11y²(3y + 7)

Find the following product: \[\frac{6x}{5}( x^3 + y^3 )\]

xy(x³ − y³)

Find the following product:
0.1y(0.1x⁵ + 0.1y)

Find the following product: \[\left( - \frac{7}{4}a b^2 c - \frac{6}{25} a^2 c^2 \right)( - 50 a^2 b^2 c^2 )\]

Find the following product: \[- \frac{8}{27}xyz\left( \frac{3}{2}xy z^2 - \frac{9}{4}x y^2 z^3 \right)\]

Find the following product: \[- \frac{4}{27}xyz\left( \frac{9}{2} x^2 yz - \frac{3}{4}xy z^2 \right)\]

Find the following product:
1.5x(10x²y − 100xy²)

Find the following product:
4.1xy(1.1x − y)

Find the following product:
250.5xy \[\left( xz + \frac{y}{10} \right)\]

Find the following product: \[\frac{7}{5} x^2 y\left( \frac{3}{5}x y^2 + \frac{2}{5}x \right)\]

Find the following product: \[\frac{4}{3}a( a^2 + b^2 - 3 c^2 )\]

Find the product 24x² (1 − 2x) and evaluate its value for x = 3.

Find the product −3y(xy + y²) and find its value for x = 4 and y = 5.

Multiply \[- \frac{3}{2} x^2 y^3 by (2x - y)\] and verify the answer for x = 1 and y = 2.

Simplify: 2x²(x³ − x) − 3x(x⁴ + 2x) − 2(x⁴ − 3x²)

Simplify: x³y(x² − 2x) + 2xy(x³ − x⁴)

Simplify: 3a² + 2(a + 2) − 3a(2a + 1)

Simplify: x(x + 4) + 3x(2x² − 1) + 4x² + 4

Simplify:  a(b − c) − b(c − a) − c(a − b)