Question

Factorise 5x² - 25x + 20​

Answer 1

Answer:

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IF a=2,b=-2,find the value

(1). a^2+b^2

(2). a^+ab+b^2

Answer 2

Answer:

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Step-by-step explanation:

5x² - 25x + 20

=5(x² - 5x + 4)

=5(x² -4x-x+4)

=5x(x-4) -1(x-4)

=5(x-4) (x-1)