Question

factories x²- 3x - 40​

Answer 1

Answer:  (x - 8) (x + 5)

Step-by-step explanation:

x² - 3x - 40

x² - 8x + 5x - 40

x (x - 8) + 5 (x - 8)

(x - 8) (x + 5)

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Answer 2

Answer:

(x-8)(x+5)

Step-by-step explanation:

Consider the form

x2+bx+c

. Find a pair of integers whose product is c

and whose sum is b

. In this case, whose product is

−40

and whose sum is −3.

−8,5

Write the factored form using these integers.

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