3 years ago

How can I factorise expressions

1 answer:

7 0

Answer:

The first step of factorising an expression is to 'take out' any common factors which the terms have. So if you were asked to factorise x² + x, since x goes into both terms, you would write x(x + 1) . This video shows you how to solve a quadratic equation by factoring.

Step-by-step explanation:

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3 years ago

Which of the following can you use to find 20 percent of 48?

11Alexandr11 [23.1K]

Answer:

The answer would be B

Step-by-step explanation:

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3 years ago

Read 2 more answers

Evaluate ab-cd /2a+1 when a = 5, b = -4, c = 1, and d = 13

makvit [3.9K]

Step :

5 x (-4) - 1 x 13 -20 - 13 -33

--------------------- = ---------- = -----

2 x 5 + 1 11 11

Ans ; -33/11

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2 years ago