3p^2 + 4p^2 = 7p^2
7p^2/7=63/7
p^2=9
√p^2=√9
p=3
3p^2+4P^2=63
2 answers
3p^2 + 4p^2 = 63
7 p^2 = 63
Divide both sides by 7:
p^2 = 9
Take the square root of both sides:
p = -3 or p = 3
7 p^2 = 63
Divide both sides by 7:
p^2 = 9
Take the square root of both sides:
p = -3 or p = 3