Choose the property of real numbers that justifies the equation. a1 = a (Choose one) (s-4) e = 8 (4-c) (Choose one) 9-(b + 2) = 9-b + 9-2 (Choose one) d + (-d) = 0 (Choose one)

Q: Simplify (4x2-2x) - (-5x2-8x)

A:

Q: simplify (-4a - 6b - c) - (2b - 4c - 8d)

A:

Q: てxg- 45 -20 -2x1 +7x2

A:

Q: Simplify 5x(3x2-8x+1)

A: Calculation:The given expression is 5x(3x²-8x+1).Simplify the above expression as follows.

Q: A triangle has side lengths of left bracket, 10, f, plus, 6, right bracket(10f+6) centimeters, left…

A: The objective of this question is to find the expression that represents the perimeter of the…

Q: simplify to create an equivelant expression 8-4(-x+5)

A: Expansion of brackets: a(b±c)=ab±ac

Q: Simplify -7(2x - 3) + 8x

A:

Q: perform suntraction (3x2+7x-4) - ( 8x2-4x-6) =

A: Given,         (3x2+7x-4) - ( 8x2-4x-6) =

Q: The expression -3m - [2m + (5 - m)]  + 7 was simplified as 2 - 4m. Without simplifying, explain how…

A: the final answer is 2-4m. the explanation is given in the below step

Q: Identify the expression that is not equivalent to the others x-2+3x , 4(x-2) , -2+7x-3x , 4x-2

A: We have to simplify each expression.x-2+3x= 4x-2 (combined x+3x=4x)4(x-2) = 4x-8 (distributed 4)

Q: 30+(-6x+7x)-45 = 30+(-6+7)x-45 represents what property?

A:

Q: A soccer player kicks a ball from the ground (0,0). The ball reaches a maximum height of 18 meters…

A: A soccer player kicks a ball from the ground .The ball reaches a maximum height of  meters at…

Q: If a ball is thrown from a height of 5 feet, the height of the ball, in feet, after x seconds can be…

A: the height of the ball h is given by  h = −16x2+50x+5  where x = time in seconds  at x = 0,   h = 5…

Q: Simplify 7X+4-5(3X-2)

A: Distribute -5 first.

Q: The simpliest form of  a2-   -b2  /8a-8b

A:

Q: 2x + 4 = 2(4x - 16)

A:

Q: when there is an exponent being multiplied to another exponent being distributed do you add the…

A: when there is an exponent being multiplied to another exponent, the power gets added. •This…

Q: A rectangle has each side that is multiplied by the value of the width,2x. So basically the…

A: A rectangle has each side that is multiplied by the value of the width,2x. So basically the…

Q: Simplify (4x2-2x) - (-5x2-8x)

A: The given expression is (4x2-2x) - (-5x2-8x). To simplify this, first, remove the brackets.  Note:…