Answer:
I don't if this is right but is the 629
Step-by-step explanation:
Both a and b.
Hope this helps!!!
Answer:
Answer: <u> </u><u>x²</u><u>(</u><u>5</u><u> </u><u>+</u><u> </u><u>4</u><u>2</u><u>x</u><u> </u><u>-</u><u> </u><u>3</u><u>0</u><u>x</u><u>²</u><u>)</u><u> </u>
Step-by-step explanation:

» First factorise out x²:

» Then factorise the second bracket using quadratic knowledge:

» The second bracket can not be factorised further because its roots/zeros are not whole numbers