Question

solve:
1.x^2-root 2^2 -220=0
2.x^2+root 13x+90=0
3.x^2 +15 root 5x+270=0
4.x^2+2 root 5x+75=0

Answer 1

1. -6+x^2

Answer 2

2. x^2+13x+9

Answer 3

3. x^2+17x

Answer 4

x^2+10x^2

Answer 5

can u give mee the hint of how to solving this..??

Answer 6

just multiply the roots

Answer 7

can u expail mee..plzz..

Answer 8

Multiply the exponent of . by 2giving

The answer is

.x^2 evaluates to

Multiply r and 2

Multiply r and 1


The r just gets copied along.

The answer is r

r

2*r evaluates to 2r

Multiply o and 2r

Multiply the o and r

Multiply o and r


The o just gets copied along.

The r just gets copied along.

The answer is or

or

2*r*o evaluates to 2or

Multiply o and 2or

Multiply the o and or

Multiply o and or


Combine the o and o by adding the exponents, and keeping the o, to get

The r just gets copied along.

The answer is



2*r*o*o evaluates to

Multiply t and

Multiply the t and

Multiply t and


The t just gets copied along.

The just gets copied along.

The r just gets copied along.

The answer is



2*r*o*o*t evaluates to

Multiply 5 and

Multiply 1 and


The t just gets copied along.

The just gets copied along.

The r just gets copied along.



2*r*o*o*t*5 evaluates to

Multiply x and

Multiply the x and

Multiply x and


The x just gets copied along.

The t just gets copied along.

The just gets copied along.

The r just gets copied along.

The answer is



2*r*o*o*t*5*x evaluates to

.x^2+2*r*o*o*t*5*x evaluates to

The answer is

.x^2+2*r*o*o*t*5*x+ evaluates to


The final answer is