Paul creates the diagram to him factor 4x2 + x – 5 by using double grouping. his diagram is incomplete.

which terms should paul write in squares m1 and m2?

5x and −4x
–5x and 4x
–2x and 10x
2x and −10x

First option is correct.

Step-by-step explanation:

Since we have given that

We need to find the terms by using double grouping.

By splitting the middle term:

So, it has two roots are (4x+5) and (x-1).

And by double grouping we get that

So, M₁ = 5x

and M₂ = -4x

Hence, First option is correct.

- 70

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