Simplifying and Expanding- Term 2

Question 1

Simplify by collecting like terms

3a + 5a

Answer 1

8a

Question 2

Simplify by collecting like terms

6c - 2c + 1c

Answer 2

5c

Question 3

Simplify by collecting like terms

3a + 5c - 2a + 3c

Answer 3

a + 8c

Question 4

Simplify by collecting like terms

6c - 2a + a - 8c

Answer 4

= -2c - a

Question 5

What are terms separated by?

Answer 5

Plus and minus signs

Question 6

What are like terms?

Answer 6

Terms with the same letters

Question 7

What do we do with like terms?

Answer 7

We collect the terms that are like

Question 8

Expand and simplify

2(3x+4)

Answer 8

=6x+8

Question 9

Expand and simplify

3x ( 5-2x+x^2)

Answer 9

15x-6x^2+3x^3

Question 10

Expand and simplify

3(2x+4)+2(6x-4)

Answer 10

=18x+4

Question 11

Expand and simplify

5(3y-1)-2(4y-2)

Answer 11

7y-1

Question 12

Expand and simplify

X+4)(x+5

Answer 12

X^2+9x+20

Question 13

Expand and simplify

X-4)(X-2

Answer 13

X^2-6x+8

Question 14

Expand and simplify

a+1)(a-9)(a+2

Answer 14

First you expand the first two brackets, then simplify the answer
a^3-6a^2-25a-18

Question 15

A rectangle has a width of 6cm and a length of (X+2)cm. It’s area is 24cm^2. Find the length

Answer 15

Base x heiGHt=area
(X+2)x6=24
(6x+2)=24
6x+12=24
6x=12
X=2