Question

(x+2)(x-1)=(x+5)(x-2)
please find the unknown​

Answer 1

Answer:

x = 4

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Step-by-step explanation:

(x+2)(x-1)=(x+5)(x-2)

(x² -x +2x -2) = (x² -2x +5x -10)

x² +x -2 = x² +3x -10

(we can subtract x² from both sides. this will not make the equation uneven.)

x-2 = 3x -10

now, we transpose x to RHS and -10 to LHS

-2 + 10 = 3x - x

8 = 2x

now, we transpose 2 to RHS (and switch sides for comfort)

x = 8/2

x = 4