Expand and simplify each of the following expressions. $3a\left( 6+a \right)-2\left( 5a-4 \right)$

Question

Expand and simplify each of the following expressions. $3a\left( 6+a \right)-2\left( 5a-4 \right)$ $-x\left( 9-3x \right)+5x\left( x-9 \right)$ $2{{x}^{2}}+3x-8-\left( -12{{x}^{2}} \right)-6x-2$ $x+\left( -3{{x}^{2}} \right)+3\left( 4{{x}^{2}}-7x \right)$ $2\left( 2-8{{x}^{2}}-9x \right)-5\left( {{x}^{2}}-3x-6 \right)$

Accepted Answer

(a) $3{{a}^{2}}+8a+8$ (b) $8{{x}^{2}}-54x$ (c) $14{{x}^{2}}-3x-10$ (d) $9{{x}^{2}}-20x$ (e) $-21{{x}^{2}}-3x+43$

Expanding and Simplifying Algebraic Expressions

Expanding and Simplifying Algebraic Expressions

Video Solution:

Solution:

Solution locked