Answer:
x^2+2x-15=0
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Answer:
A
Step-by-step explanation:
20.7
Answer:
x=6
Step-by-step explanation:
1 Add 44 to both sides.
2x=8+42x=8+4
2 Simplify 8+48+4 to 1212.
2x=122x=12
3 Divide both sides by 22.
x=\frac{12}{2}x=
2
12
4 Simplify \frac{12}{2}
2
12
to 66.
x=6x=6
Answer:
29
Step-by-step explanation:
f(x) = 4x -7
f(9) = 4(9)-7
=36-7
=29
