Question

10xsqure-x-9. spliting the middle termm​

Answer 1

Answer:

10x^2-x-9

so we need to find two numbers that will give there product as  -90 and sum as -1

so the two numbers are -10 and 9

so 10x^2+x(-10+9)-9

10x^2-10x+9x-9

10x(x-1)+9(x-1)

=(10x+9)(x-1)