How do you solve x2=x+87?

3 Answers
May 19, 2018

x=165

Explanation:

show below

x2=x+87

7x=2(x+8)

7x=2x+16

7x2x=16

5x=16

x=165

May 19, 2018

165

Explanation:

Here

x2=x+87

Cross-multiplying, we get

7x=2(x+8)

7x=2x+16

7x2x=16

5x=16

Hence

x=165

May 19, 2018

x=165

Explanation:

Use the cross multiply, kiss and smiles, or however you like to call it method where you multiply opposites, so the divide is removed.

7(x)=2(x+8)

7x=2x+16

5x=16

x=165