2 years ago

A certain number added to its square is 30. Find the number

1 answer:

5 0

X+x²=30
x²+x-30=0
(x+6)(x-5)=0
x=-6 or x=5

You might be interested in

Alex777 [14]

Answer:

$\: \: \: \:$

Chukliya bhaiya iss chiz khi toh mere ko zarurat thi zindagi mein!!(╥﹏╥)(╥﹏╥)

3 0

2 years ago

Bad White [126]

The answer is definatly C but if you know the answer why did you ask???

Anyway, hope this helps, and please mark brainliest!!!!!!!!!!!

3 0

2 years ago

Nookie1986 [14]

Basically each part of the first complex number gets multiplied by each part of the second complex number. You are multiplying 2 binomials.

(15 + 56i(7 + 4i)

= 105 + 60i + 392i + 224i^2

= 105 + 452i - 224 ( because i^2 = -1)

= - 119 + 452i

7 0

2 years ago

ivanzaharov [21]

Answer:

10.10

Step-by-step explanation:

4 0

3 years ago

Liono4ka [1.6K]

(11x+10)(x+-1)
(X+1)(11x+-10)

4 0

2 years ago