Question

1. simplify the expression and express your answer in standard form: $(3x^{2}-5x + 4)+(-2x^{2}+6x - 9)$. type a response

Explanation:

Step1: Remove parentheses

$3x^2 - 5x + 4 - 2x^2 + 6x - 9$

Step2: Combine like $x^2$ terms

$3x^2 - 2x^2 = x^2$

Step3: Combine like $x$ terms

$-5x + 6x = x$

Step4: Combine constant terms

$4 - 9 = -5$

Step5: Write in standard form

$x^2 + x - 5$

Answer:

$x^2 + x - 5$