Anything times 0 is zero.
What number plus zero is equal to 7? 7.
Two numbers that add to 7 and multiply to 0 are 0 and 7.
0 x 7 = 0
0 + 7 = 7
Answer:
Step-by-step explanation:
x^2+20=2x move 2x to the left
x^2-2x+20=0
Quadratic formula =
x=1± i√19
Answer:
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Step-by-step explanation:
