Answer:
x = 6 or x = -15
Step-by-step explanation:
x2+9x−90=0
Step 1: Factor left side of equation.
(x−6) (x+15)=0
x−6=0
x+15=0
x=6
x=−15
x=6
x=−15
Answer:
(B) The second one, b√a
Step-by-step Explanation:
the local maximum is at x = -2.2 and has a value of 72.576
Answer:
A certain element has 25 protons.
Step-by-step explanation:
Please mark brainliest
Answer:
the answer is D
how to try the values of the x and y
(x,y)