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On: January 19, 2023 Posted in Mathematics Comments: 0 Views: 15

New General Mathematics for Senior Secondary School One (SS 1) Exercise 4e Solutions

CHAPTER 4: ALGEBRAIC PROCESSES (1) SIMPLIFICATION AND SUBSTITUTION

Below are the solution to all the questions in Exercise 4e of the New General Mathematics for Senior Secondary School One (SS 1). If there are any question to ask, feel free to ask and a community member will be glad to assist you.

NOTE: Please this should only be used for educational purpose only and should not be seen as a replacement for the New General Mathematics textbook and or every other materials related to it.

Exercise 4e Questions and Solutions (Number 1 to 5)

Click Here to view Exercise 4e Questions and Solutions (Number 6 to 10)

Question 1: Either by expanding the brackets or otherwise, write down the coefficient of x in the following

a) $(x+7)(x+9)$

b) $(x-3)(x+8)$

c) $(x+4)(x-17)$

d) $(2x+5)(4x+7)$

e) $(3x-1)(5x+2)$

f) $(2x-8)(2x+8)$

Question 2:

Multiply $(3+a)$ by $(5-2a)$

Question 3:

Simplify the following

a) $(a-3)(a-4)+(a-1)(a+5)$

b) $(m+6)(m-2)-(m-3)(m+1)$

c) $(2x+3)(x-2)+2x(x-1)$

d) $3d(2d+3)-(3d+1)(2d+1)$

Question 4:

Simplify $(f+g)^2+(f-2g)^2$

Question 5:

Simplify $(3b-1)^2-(2b+1)^2$

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