Examples with solutions for Extended Distributive Property: Solving an equation using the extended distributive law

Exercise #1

Solve the following equation using the distributive property:

(5x)(6+2x)=2+4x (5-x)(6+2x)=-2+4x

Video Solution

Answer

x=±4 x=±4

Exercise #2

Solve the equation using the extended distributive law. Find the relationship between a and x.

(2x+a)(a4)=2ax+a25 (2x+a)(a-4)=2ax+a^2-5

Video Solution

Answer

a=1142x a=1\frac{1}{4}-2x

Exercise #3

Solve the equation using the distributive property:

(8x+9)(5x)=31x+94 (8x+9)(5-x)=31x+94

Video Solution

Answer

There is no solution to the equation.

Exercise #4

Solve the equation using the distributive property:

(3x+4)(x+2)=3x2+2 (3x+4)(x+2)=3x^2+2

Video Solution

Answer

0.6 -0.6

Exercise #5

Solve the equation using the extended distributive law. Express a in terms of x.

(2x+a)(5x)=(12x+5)(4+2x)3x2+2x (2x+a)(5-x)=(\frac{1}{2}x+5)(-4+2x)-3x^2+2x

Video Solution

Answer

a=20x5 a=\frac{20}{x-5}