Question

Show that (x + 4)(x − 3) + x(5 − x) = 6(x − 2)

Answer 1

Answer:

(x+4)(x-3)+ x(5-x) = 6(x-2)

x*x +4x -3x +12 + 5x -x*x = 6x-12

(x*x - x*x) + ( 4x-3x+5x ) - 12 = 6x-12

0 + 6x - 12 = 6x - 12

6x-12 = 6x-12

hence proved

Answer 2

Answer:

Step-by-step explanation:

(x + 4)(x - 3) + x(5 - x)

x(x - 3) + 4(x - 3) + 5x - $x^2$

$x^2$ - $x^2$ - 3x + 4x - 12 + 5x

6x - 12

6(x - 2)

∴ Hence Prooved

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