Question

ok please help its review Simplify: 2x(4x2 - 3x - 9) and Multiply: 5xy(2x - y)

Answer 1

@UnkleRhaukus could u help

Answer 2

\[2x(4x^2 - 3x - 9)\]\[=(2x\times4x^2)+(2x\times-3x)+(2x\times-9)\]
\[=\cdots\]

Answer 3

\[5xy(2x - y)=(5xy\times2x)+(5xy\times-y)=\cdots\]

Answer 4

? 1 i think the answer is 8x3 - 3x2 - 9x

Answer 5

almost dont forget to multiply the 2 next to the x

Answer 6

i dont understand

Answer 7

\[=(2x\times4x^2)+(2x\times-3x)+(2x\times-9)\]\[(8)x^3+(2\times-3)x^2+(2\times-9)x\]

Answer 8

: 2x(4x2 - 3x - 9)
A. 8x2 - 3x - 9
B. 8x2 - 6x - 18
C. 8x3 - 6x2 - 18x
D. 8x3 - 3x2 - 9x

Answer 9

Multiply: 5xy(2x - y)
A. 10xy - 5xy
B. 10x2y - 5xy2
C. 10x2 - 5xy + 25y2
D. 10x2 - xy + y2

Answer 10

simplify the terms in the bracket in my most recent line

Answer 11

i dont get it