Respuesta :
[tex]\textbf{a)}\\\\6x^2 -3x = 3x(2x-1)\\\\\textbf{b)}\\\\x^2+3x -28 \\\\=x^2 +7x-4x-28\\\\=x(x+7)-4(x+7)\\\\=(x-4)(x+7)\\\\\textbf{c)}\\\\4au+24av-5bu-30bv\\\\=4a(u+6v)-5b(u+6v)\\\\=(u+6v)(4a-5b)[/tex]
Step-by-step explanation:
A.6x^2-3x
3x(2x-1)
B.x^2+3x-28
product= -28x^2 sum= +3x factors= +7x, -4x
(x^+7x)(-4x-28)
x(x+7)-4(x+7)
(x-4)(x+7)
C.4au + 24av -5bu - 30bv
4a(u+6v)-5b(u+6v)
(4a-5b)(u+6v)