## Problem 452

Simplify the expression. Write answer with positive exponents.   Solution   We can write it as When base are same then power will be add So

## Problem 451

Factor completely. + 5x – 36   Solution:-   Do factor + 9x – 4x – 36 X(x+9)-4(x+9) (x+9)(x-4)

## Problem 450

Solve the equation.   Solution:-   When we remove mod sign then value become positive but here both sides  have mod so one time we take any one side positive…

## Problem 449

Evaluate the expression, given x = -2, y = 3, and a = -4. -6(x + 4) + 5   Solution   Put all values -6(-2+4) +5 = 12-24+5(16) =…

## Problem  448

Evaluate the expression, given x = -2, y = 3, and a = -4. 2a – 7y – 4x   Solution   Put all values 2(-4)-7(3)-4(-2) = -8-21+8 = -21…

## problem 447

Solve the equation. 20t + 1 = 11t + 7   Solution:-   20t-11t=7-1 9t=6 T=

## Problem 446

Solve the equation for x. x = (6x – 2)(2k + 1)   Soluiton:-   X=6x(2k+1)-2(2k+1) X=12xk+6x-4k-2 x-12xk-6x=-4k-2 x(1-12k-6)= -4k-2 x(-12k-5)= -4k-2 x=  x=

## Problem 445

Find expressions for the Revenue, Cost, and Profit from selling x thousand items. Item Price Fixed Cost Variable Cost 58,684 3698x   Solution:–   Revenue=5000x (5 dollar per item *…

## Problem 444

Use factoring to solve the equation. 5 – 14m = 0   Solution:-   Take m common M(5m-14)=0 So    m=0    or    5m-14=0 M=0         or      m=

## Problem 443

Find the reciprocal of ()(15)   Solution   Reciprocal means multiply the given value by other value then answer become 1 So in this question If we multiply it by…