4 6 Find A-1, if A 2 4

Q: Add  z-9/z+9+z+7/z-7

A: Given information:

Q: What is 8+2

A: 8+2=?

Q: 2а' -7а -15 2а-10

A: 2a2-7a-152a-10=2a2-10a+3a-152(a-5)                         =2a(a-5)+3(a-5)2(a-5)…

Q: 5. Find (().

A:

Q: What is  7 + 9

A: Addition is one of the four basic operations of arithmetic, the other three being subtraction,…

Q: S 2x - 5y 4 6x - 4y 3.

A:

Q: 2*4*6+5

A: We use bodmas rule to find value of expression  Bodmas: First solve brackets Then division Then…

Q: 2--17+п

A:

Q: dr a 2 1 +3

A:

Q: 12-2x=2

A: We have to solve for x  12 - 2x = 2

Q: 3 - 7w + 5 - 6w

A: The given expression is 3-7w+5-6w.

Q: When you are asked to find the coefficients of 4c + 4b should you put 4,4 or just write 4 once…

A: Coefficient is the constant value with a variable in a expression.

Q: 3x + 5x + 6 + 10 =

A: To solve these type of question follow these steps : Add same variables together and then equate.

Q: 25x4y2 − 36

A: This is is simple factorization question  Formula used (a2-b2)=(a+b)(a-b)

Q: What is 10 + 13

A:

Q: what is 5+10

A:

Q: 4+3+1=-2x-10x-12x

A:

Q: 10k+1=40 -7k

A:

Q: 13t - 7 - 10t = 2

A:

Q: Evaluate 2s+3 L-1 s²+4s+10)

A: This question is related to Laplace equation.

Q: What is the product of -4 and 18

A: x*y = xy

Q: 11+(9+4)=(6+7)+11

A: 11+(9+4) = (6+7)+11 LHS 11+(9+4) = 11+13 = 24

Q: whats 20+2

A: Given: 20+2

Q: (; 3s + 8 s2 + 2s +5

A: Some of the properties of inverse Laplace  L-1ss2+a2=cosatL-1as2+a2=sinatL-1F(s-a)=eatL-1F(s)

Q: what is 10+2

A: To Solve:- 10 + 2

Q: 1. Multiply and simplify. a? -2a –15 2a -6 a? -9 a? +a-30 2

A: Simplied answer is given.

Q: -5+2(8-12)

A: Use PEMDAS rule to simplify.First we work with the parenthesis. In it 8-12=-4

Q: Зх3 — 2х2 —6х + 4

A: a. Factorization, 3x3-2x2-6x+4=3x3-2x2-6x-4=x23x-2-23x-2=x2-23x-2

Q: 3 squareroot ofx-1 -27=-15

A: Given x–1 –27 = –15.

Q: what is 12+12=

A: Here we have to find the value of 12+12.

Q: what is 15w+45

A: Given:15w+45