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Statistics and Probability
Statistics and Probability
Algebra
Geometry and Measures
Mock Exams

Algebra: 3.2 Expressions

Collect the like terms, factorising where required.

1.

6x+2x
6x+2x=8x

2.

3x+4 x 2 +2x
3x+4 x 2 +2x=5x+4 x 2

3.

3 y 2 4 x 2 +6 y 2
3 y 2 4 x 2 +6 y 2 =9 y 2 4 x 2

4.

3 p 2 4 q 2 +7 q 2
3 p 2 4 q 2 +7 q 2 =3 p 2 +3 q 2 =3( p 2 + q 2 )

5.

5 n 3 +7 m 2 +2 n 3
5 n 3 +7 m 2 +2 n 3 =7 n 3 +7 m 2 =7( n 3 + m 2 )
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