devincjo devincjo
  • 02-02-2021
  • Mathematics
contestada

(5x2 − 9x + 2) + (−3x2 + 2x + 4)

Respuesta :

jasminesilva2907
jasminesilva2907 jasminesilva2907
  • 02-02-2021
Eliminate redundant parentheses
(5x 2 - 9x +2 ) + ( -3x2 + 2x 4)
5x 2-9x+2 -3x2+ 2x +4

Add the numbers
5x2 -9x +2 -3x2 +2x+4
5x2 -9x +6 -3x2 + 2x

Combine like terms
5x2 -9x +6 - 3x2 +2x
2x2 -9x +6 + 2x

Combine like terms
2x2 -9x +6 +2x
2x2 -7x +6

Solution
2x2 - 7x +6
Answer Link

Otras preguntas

How do I solve this equation? If 3t-7=5t then 6t=a 21b-7c-21d-42
If a+b=6 and a-b = 4, what is the value of 2a + 3b?
Why can't we change the subscripts in balancing chemical equations?
If (x − 2)^2=49, then x could be ?
What would be m minus 4 in an algebraic expression
anita tosses 3 coins. what is the probability that all the coins will land tails up?
A basketball has been left out in the cold. The next day you find that it has become soft. What do you do to get it back to shape and why?a) Leave it alone to w
if y is the principal square of root 5,what must be true
What is Germany in German?
A bag has index cards with the following numbers on them: 4, 11, 13, 25, 12, and 18. If an index card is drawn randomly , what is the probabilty that a composit