4 years ago

Simplify and then evaluate the equation when a = 3. 4a2 + 6a - 3(a + 4) + 15 = [?]

Mathematics

1 answer:

Jlenok [28]4 years ago

4 0

Answer:

Step-by-step explanation:

Given

4a² + 6a - 3(a + 4) + 15 ← distribute parenthesis

= 4a² + 6a - 3a - 12 + 15 ← collect like terms

= 4a² + 3a + 3 ← substitute a = 3 into the expression

= 4(3)² + 3(3) + 3

= 4(9) + 9 + 3

= 36 + 9 + 3

= 48

You might be interested in

Creed wanted to know if there was a correlation between number of years of education and income. He collected data and created t

Trava [24]

Like CREED creed? cus we just talked and he denied all of this

5 0

3 years ago

Martha states that –6 is a rational number. Which is a correct explanation for this statement?

bonufazy [111]

Answer:

Step-by-step explanation:

-6 is rational because it can be written as a ratio -6/1 for example

6 0

3 years ago

Read 2 more answers

You are given f(x)=-5x2+10x-5

Bond [772]

Answer:

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

PLEASE HELP LAST ONE ILL MARK BRAINLIEST

Nastasia [14]

Answer:

p and q, p and r, q and s

Step-by-step explanation:

hope that helps

8 0

3 years ago

5 and one half % of 60

Liono4ka [1.6K]

To find 5 and 1/2 of 60 you would simply use the equation:
5.5*60=330
5 and 1/2 of 60 is 330.

5 0

3 years ago

Read 2 more answers