Question

How do you write `(3x^3 − 5x − 8) + (5x^3 + 7x + 3)` in standard form?

Answer 1

`8x^3 + 2x - 5`

Explanation:

write the expression without brackets.

`3x^3 - 5x - 8 +5x^3 + 7x + 3`

collect like terms.

`8x^3 + 2x - 5 " is in standard form "`

Standard form is writing the expression , starting with the term that has the highest power of the variable,followed by terms with decreasing powers until the last term , usually a constant.

`a_n x^n + a_(n-1)x^(n-1) + a_(n-2)x^(n-2) +.....+a_0x^0`