Step-by-step explanation:
x² + 2x - 63 = 0
(x+9)(x-7)=0
x=-9 x=7
Sorry this got to you super late. At least others looking for the answer can find it.
Method 1 Decomposing into Hundreds, Tens, and Ones<span>
Understand the difference between "tens" and "ones." ...
Break apart a two digit number. ...
Introduce the "hundreds" place. ...
Break apart a three digit number. ...
Apply this pattern to infinitely larger numbers. ...
Understand how decimals work. ...
<span>
Break apart a decimal number.</span></span>
Answer: B. -3 and 7
Step-by-step explanation:
To find the zeros, just move the constants to the other side,
x - 7 ⇒ x = 7
x + 3 ⇒ x = -3
If the number is moved to the other side its sign becomes opposite
Hope it helps!
Answer:
7/16
Step-by-step explanation:
1. you have to have the same denominator