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SCORPION-xisa [38]
3 years ago
14

Solutions for 4x^2+12x+9=25

Mathematics
1 answer:
boyakko [2]3 years ago
3 0

Answer:

4x^2 +12x +9 -25=0

4x^2+12x-16=0

(2x+8)(2x-2)=0

2x+8=0    2x-2=0

X=-4          X=1

Step-by-step explanation:


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5x + 3 = 7x – 1. Find x<br><br> a. 1/3<br> b. ½<br> c. 1<br> d. 2
weqwewe [10]

Answer:

Step-by-step explanation:

First you need to get like items on the same side(put the variables on one side and the non-variables on the other).  Remember anything you do on one side of the equal, you have to do on the other side, too.

5X+3=7X-1   I'm going to move the -1 first, but you don't have to as long as you keep the equation equal.

5X+3+1=7X-1+1    We know that +1-1 is zero and so is -1+1.  So

5X+3+1=7X      We don't need to keep that zero.

5X+4=7X         Now, we want to move the 5X over.

5X-5X+4=7X-5X    Simplify and get rid of the zero.

4=2X             Last, we have to divide to get the 2 away from the X.

4/2=2X/2            Not everyone know that slash mean divide, :-).

2=X

3 0
3 years ago
Casey read a report that said the probability that a randomly selected america is left handed is 14%. she was curious how many l
slamgirl [31]

Answer:

0.06

Step-by-step explanation:

it was on khan academy and i got it right

5 0
3 years ago
Read 2 more answers
can some on help me that way smarter wants the expression in words for 9×(8+4) and plz show me how to write it
torisob [31]
P - parenthesis
e - exponents
m - multiplication
d - division
a - addition
s - subtraction
_______________
so parenthesis is first, p, so 8 plus four equals to 12
multiplication is next, m, so 12 x 9 is 108
the answer is 108
6 0
4 years ago
Which equation has the steepest graph?anyone need some help
il63 [147K]

Answer:

Yhe equation that jas the steepest gradient is D

Step-by-step explanation:

look at the numbers infront of the 'x' without looking at the negative sign. The

larger the number the steeper the gradient. Negative gradient only means that it is a downward slope

4 0
3 years ago
In triangle abc, the length of side and is 10 inches and the length of side be is 17 inches . Which of the following could be th
earnstyle [38]

Answer:

a^2=b^2+c^2.

a^2=10^2+17^2.

a^2=100+289.

a^2=389.

a=√389.

a=19.72~20cm.

5 0
3 years ago
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