Answer:

Step-by-step explanation:
The quantity x + 7 is squared.

Expand the brackets and simplify the expression.




We can leave the expression in factored form.
Hi,
Work:

Multiply both sides by 144.

Move X to left side and change its side.

Calculate the sum

Divide both sides by 80.

+++ Results +++
Fraction form:

Or decimal form:

Hope this helps.
r3t40
Answer:
r=20
Step-by-step explanation:
34-2=32 32 - 12 =20 r= 20