kalynjackson2447 kalynjackson2447

14-03-2020
Mathematics

contestada

Simplify
(2x2 - 5x + 3) - (-x2 + 4x - 5)
A)
x2-x-2
3x²-3x-2
3x²-x+ 5
3x² - 9x=8

Respuesta :

14-03-2020

Answer:

3x² - 9x + 8

Step-by-step explanation:

[tex](2x^2-5x+3)-(-x^2+4x-5)\\\\=2x^2-5x+3-(-x^2)-4x-(-5)\\\\=2x^2-5x+3+x^2-4x+5\qquad\text{combine like terms}\\\\=(2x^2+x^2)+(-5x-4x)+(3+5)\\\\=3x^2-9x+8[/tex]

Answer Link

Otras preguntas

1. Given: BJ≅ CF Which additional statement could you use to prove that ∆BJK ≅ ∆CFH by the HL Theorem? A) JK≅ FH B) ∠B ≅ ∠C C) ∠BJK ≅ ∠CFH D) AJ≅ A F

2. The numbers 1 through 50 are written with red marker on slips of paper while the numbers 51 through 100 are written with blue marker on slips of paper. All t

According to the US Department of Labor, only_______ percent of workers in the United States are employed in the engineering and science fields. 15 5 10

Find the volume of each figure. Round your answers to the nearest hundredth, if necessary.

Sarah roller skates for 3 hours with a constant speed of 18mph and then for another 1 hour with a constant speed of 12mph. What distance did she go?

What is the difference between fraternal twins and identical twins

Organisms often respond to ________ with a fight-or-flight reaction.

Really lost please help

Based on their pattern of nutrition most animals are classified as

This is the type of reaction that occurs when an acid cancels with a base.