Answered

a) 5x2 - 3(2x + 1) = 5x2 - 4x + 1
a
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=
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Quelqu’un peut m’aider svp

Sagot :

Bonsoir,

5x² - 3(2x + 1) = 5x² - 4x + 1

5x² -6x -3 = 5x² -4x+1

5x² -5x² -6x +4x = 1 +3

-2x = 4

x= -4/2

x= -2