Question

Which terms should Paul write in squares M, and M2?

1
Paul creates the diagram to help him factor 4x2 + x-5 by
using double grouping. His diagram is incomplete.
O 5x and --4x
0 -5x and 4x
4x2
M,
O-2x and 10x
M
-5
O 2x and -10x​

Answer 1

A :)

Explanation:

Answer 2

a) 5x and - 4x

Explanation:

Explanation:-

Given equation is 4 x² + x -5

the factors of -20 = - 4 × 5

⇒ 4 x² + 5x - 4x -5

⇒ x ( 4 x +5) -1 ( 4x +5)

⇒ (x -1) (4 x +5)