Question

The square of a number is equal to 10 less than 7 times that number. What are the two possible solutions?

Which of the following equations is used in the process of solving this problem?

x 2 - 7x + 70 = 0
x 2 - 7x + 10 = 0

Answer 1

please help

Answer 2

dont just give the answer

Answer 3

Any ideas?

Answer 4

not really hope u could help

Answer 5

The square of a number is equal to 10 less than 7 times that number.

Let x = a number

$$\Huge x^2 = 7x - 10$$

The square of a number is equal to 10 less than 7 times that number

Answer 6

Does that^ make sense?

Answer 7

can u explain a little better

Answer 8

10 less than 7 times that number.

means 7x — 10

Answer 9

Read it like "10 less, than 7x"

Answer 10

so is it is x squared- 7x + 10 = 0

Answer 11

Nope.

Answer 12

The square of a number is equal to 10 less than 7 times that number.

Let x = a number
$$\Huge x^2 = 7x - 10$$

The square of a number is equal to 10 less than 7 times that number

Answer 13

oh ok

Answer 14

Now add 10 to both sides

Answer 15

and subtract 7x from both sides

Answer 16

so 7x+10

Answer 17

Start here


$$\Huge x^2 = 7x - 10$$

Answer 18

so is it x 2 - 7x + 70 = 0

Answer 19

Nope.

Answer 20

x 2 + 7x - 10 = 0 so then its this right here

Answer 21

right

Answer 22

Yes.

Answer 23

thanks

Answer 24

Thanks for trying to learn :-)