Question

Multiply (5x-4)(7x+2) show your work

Answer 1

35x²- 18x -8

Explanation:

5x × 7x= 35x²

5x × 2= 10x

-4 × 7x= -28x

-4 × 2= -8

*combine like terms

35x² + 10x -28x -8

10x - 28x= -18x

35x²- 18x -8

Answer 2

`\bf{(5x-4)(7x+2) }`

`\bf{5x(7x+2)-4(7x+2) }`

`\bf{35x^(2) +10x-4(7x+2)}`

`\bf{35x^(2) +10x-28x-8 }`

`\bf{\red{35x^(2) -18x-8 \ \ \Rightarrow \ \ \ Answer }}`