Answer:
X = -3,× =3
¹ ²
Step-by-step explanation:
X²-7= -X²+11
ײ+ײ=11+7
2ײ=18
ײ=9
×=+3
×= -3
×=3
Solved by square root:
x²-7=-x²+11
x²+x²=11+7
2x²=18
x²=9
x=+3
x=-3
x=3
Ans: x1=-3, x2=3
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Answer:
X = -3,× =3
¹ ²
Step-by-step explanation:
X²-7= -X²+11
ײ+ײ=11+7
2ײ=18
ײ=9
×=+3
×= -3
×=3
Answer:
Solved by square root:
x²-7=-x²+11
x²+x²=11+7
2x²=18
x²=9
x=+3
x=-3
x=3
Ans: x1=-3, x2=3