Multiplying Algebraic Expressions (Leaving Cert Mathematics): Quizzes

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Multiplying Algebraic Expressions
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Does multiplication concern itself with like terms?

No, it doesn't

When multiplying variables with the same base, what do you do with the powers?

Add them together

What is x3×x5x^3 \times x^5 equal to?

x8x^8

What is (3x)(5x)(3x)(5x) equal to?

15x215x^2

What is (−3ab)(ab)(-3ab)(ab) equal to?

−3a2b2-3a^2b^2

What is the distribution law a(b+c)a(b+c) equal to?

ab+acab + ac

What does the law of distribution allow us to do?

Expand brackets

When multiplying two brackets, what distributes amongst each term in the second bracket?

The first bracket

What is the first step in expanding (2x+4)(x+2)(2x+4)(x+2)?

x(2x+4)+2(2x+4)x(2x+4) + 2(2x+4)

What is (2x+4)(x+2)(2x+4)(x+2) fully expanded and simplified?

2x2+8x+82x^2 + 8x + 8

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Algebraic Fractions

Factorisation

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The Basics

Algebraic Fractions

Factorisation

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The Basics

Algebraic Fractions

Factorisation

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Algebraic Fractions

Factorisation

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