Answer:
35x²- 18x -8
Step-by-step 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
[tex]\bf{(5x-4)(7x+2) }[/tex]
[tex]\bf{5x(7x+2)-4(7x+2) }[/tex]
[tex]\bf{35x^{2} +10x-4(7x+2)}[/tex]
[tex]\bf{35x^{2} +10x-28x-8 }[/tex]
[tex]\bf{\red{35x^{2} -18x-8 \ \ \Rightarrow \ \ \ Answer }}[/tex]
