Answered

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1. -2x(x+3)-(x+1)(x-2) =

Sagot :

MrRoyalidn

Answer:

[tex]-3x^2 -7x + 2[/tex]

Step-by-step explanation:

Given

[tex]-2x(x + 3) - (x+1)(x - 2)[/tex]

Required

Solve

Open brackets

[tex]-2x^2 -6x - (x^2-2x + x - 2)[/tex]

[tex]-2x^2 -6x - x^2-2x + x + 2[/tex]

Collect like terms

[tex]- x^2-2x^2 -6x -2x + x + 2[/tex]

[tex]-3x^2 -7x + 2[/tex]

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