Question

(a) a² +9a +8
(c) c2 - 9c + 20
(e) f2 + 6f – 16
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Answer 1

Answer:

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Answer 2

Here you use something called quadratic equations like that

In that method that id on your screen 1,8 comes from this

You get two numbers that can add up to the sum (9) and can be multiplied to get the product (8) for number 1

For 2 os also there

3try it using what I have given id you fail ask me again I will be gald to help