(3+2 v5)(6 - 2 V5) (4 – V5) (a) Simplify giving your answer in the form a+bV5, where d integers.

Q: -4b+(-9k)-6-3b+12 simplify

A: Given: -4b+-9k-6-3b+12 To determine: To simplify the given expression. Here we shall simplify the…

Q: -4(7j+2)=10

A: Given expression,

Q: -8(3p + 4)=8p

A: Given  -8(3p + 4)=8p  p =?

Q: 11d-8=3(5d+6)-4d

A:

Q: 2b(b+4)-b(b+5)

A:

Q: (c) Give a 'combinatorial proof' for the following identity. That is, explain that the left hand…

A: We shall answer only question (2c) as asked.We shall use the idea of combinatorics to show the…

Q: (n+2)=(n)×1+1. Please explain.

A:

Q: Explain why n2 + 25 ≠ (n + 5) 2

A: Use  algebraic identity to solve it

Q: -2(5a)

A: To evaluate-2(5a)

Q: 5(3+7x+4) = 30

A:

Q: 2х (b) 2 +1)

A:

Q: b. Evaluate—(3x − 2)° 6

A: We need to evaluate

Q: (22-9)+(8+14)

A: The given expression is: (22-9)+(8+14)

Q: Evaluate 4p3 (a4 + 9)2

A:

Q: Simplify: 50(5a-1) + 5ª+2 – 2(5a+1)

A:

Q: (4+8y)^3

A: Evaluate,

Q: 2(3y-2) 20

A:

Q: 6a? -1la+4 (3)

A:

Q: 8a+4=

A: Given : 8a+4=4+8a

Q: -5(3t+2)-(2t+7)-4t+9

A: The given expression is -5(3t+2)-(2t+7)-4t+9.

Q: -16 -6v=-2(8v-7)

A: -16-6v=-28v-7-16-6v=-16v+1416v-6v=14+1610v=30v=3010v=3

Q: what is the value of 2-(4f+34)

A: 2-(4f+34) = 2-4f-34 = -4f-32 = -4(f+8)

Q: Add: (3s2+7s+2) + (5s2+9s-1)

A:

Q: -10v = -10 - 3(6v + 10)

A: Given: -10v=-10-3(6v+10) The value of v can be calculated as,            -10v=-10-18v-30-10v+18v=-40…

Q: 5(2p-6)=40

A: To determine the value of p from the given equation.