Advertisements
Advertisements
Question
Simplify: x(x + 4) + 3x(2x2 − 1) + 4x2 + 4
Solution
To simplify, we will use distributive law as follows:
\[x\left( x + 4 \right) + 3x\left( 2 x^2 - 1 \right) + 4 x^2 + 4\]
\[ = x^2 + 4x + 6 x^3 - 3x + 4 x^2 + 4\]
\[ = x^2 + 4 x^2 + 4x - 3x + 6 x^3 + 4\]
\[ = 5 x^2 + x + 6 x^3 + 4\]
APPEARS IN
RELATED QUESTIONS
Find each of the following product:
−3a2 × 4b4
Express each of the following product as a monomials and verify the result in each case for x = 1:
(4x2) × (−3x) × \[\left( \frac{4}{5} x^3 \right)\]
Evaluate (−8x2y6) × (−20xy) for x = 2.5 and y = 1.
Find the following product: \[\frac{7}{5} x^2 y\left( \frac{3}{5}x y^2 + \frac{2}{5}x \right)\]
Simplify: a2b(a3 − a + 1) − ab(a4 − 2a2 + 2a) − b (a3 − a2 − 1)
Multiply:
(3x2 + y2) by (2x2 + 3y2)
Find the following product and verify the result for x = − 1, y = − 2:
(3x − 5y) (x + y)
Simplify:
(5 − x)(6 − 5x)( 2 − x)
Solve the following equation.
6x − 1 = 3x + 8
Solve the following equation.
2(x − 4) = 4x + 2
