2 years ago

(x+3)^2 = x^2-3(1-x)

1 answer:

7 0

(x+3)(x+3) = x^2 -3 + 3x
x^2 + 3x + 3x + 9 = x^2 + 3x - 3
x^2 + 6x + 9 = x^2 + 3x - 3
6x + 9 = 3x - 3
3x + 9 = -3
3x = -12
x = -4

Check:
(-4+3)^2 = (-4)^2 - 3(1+4)
(-1)^2 = 16 - 3(5)
1 = 16-15
1 = 1 :)

You might be interested in

Two high school students are hired to rake leaves .

Arlecino [84]

Answer:

okay whatever you think

4 0

3 years ago

A geometric sequence has an initial value of 9 and a common ratio of 5. What function could represent this situation?

leonid [27]

Answer:

The functions that represent this situation are A and C.

Step-by-step explanation:

A geometric sequence goes from one term to the next by always multiplying or dividing by the same value.

In geometric sequences, the ratio between consecutive terms is always the same. We call that ratio the common ratio.

This is the explicit formula for the geometric sequence whose first term is k and common ratio is r

6 0

3 years ago

Use a table to find the solution of 2t-1=11

Katarina [22]

I'm just guessing but if you subtract the 1 from 11 and divide by 2 on both sides then T would equal 5

7 0

2 years ago

Which expressions are equal to 105?

Tamiku [17]

Answer:

103 and 102

Step-by-step explanation:

u add them together

6 0

3 years ago

The sign on a clearance rack tells customers the price is 1/2 the lowest marked price. If an item is marked $9.98, how much will

Artyom0805 [142]

Answer:

4.99

Step-by-step explanation:

9.98 divide by 2

3 0

3 years ago