Solve for Xin the equation x^2-12+36=90
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
{у = 3х - 12
{4х + 6у = −6
4x + 6[3x - 12] = −6
4x + 18x - 72 = −6
−6 = −72 + 22x
+72 + 72
___________
66 = 22x
__ ___
22 22
[Plug this back into both equations above to get the y-coordinate of −3];
I am joyous to assist you anytime.