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Answers
Step-by-step explanation:
=
65.61
x
view step
x0x
\sqrt{2.25}=\frac{10}{81}xx
2.25
=
81
10
xx
view step
2.251.5
1.5=\frac{10}{81}xx
1.5=
81
10
xx
view step
xxx^{2}
1.5=\frac{10}{81}x^{2}
1.5=
81
10
x
2
view step
\frac{10}{81}x^{2}=1.5
81
10
x
2
=1.5
view step
1.5
\frac{10}{81}x^{2}-1.5=0
81
10
x
2
−1.5=0
view step
ax^{2}+bx+c=0
\frac{10}{81}\approx 0.12345679
a0b-1.5c\frac{-b±\sqrt{b^{2}-4ac}}{2a}
x=\frac{0±\sqrt{0^{2}-4\times \left(\frac{10}{81}\right)\left(-1.5\right)}}{2\times \left(\frac{10}{81}\right)}
x=
2×(
81
10
)
0±
0
2
−4×(
81
10
)(−1.5)
view step
0
x=\frac{0±\sqrt{-4\times \left(\frac{10}{81}\right)\left(-1.5\right)}}{2\times \left(\frac{10}{81}\right)}
x=
2×(
81
10
)
0±
−4×(
81
10
)(−1.5)
view step
-4\frac{10}{81}\approx 0.12345679
x=\frac{0±\sqrt{-\frac{40}{81}\left(-1.5\right)}}{2\times \left(\frac{10}{81}\right)}
x=
2×(
81
10
)
0±
−
81
40
(−1.5)
view step
-\frac{40}{81}\approx -0.49382716
-1.5
x=\frac{0±\sqrt{\frac{20}{27}}}{2\times \left(\frac{10}{81}\right)}
x=
2×(
81
10
)
0±
27
20
view step
\frac{20}{27}\approx 0.740740741
x=\frac{0±\frac{2\sqrt{15}}{9}}{2\times \left(\frac{10}{81}\right)}
x=
2×(
81
10
)
0±
9
2
15
view step
2\frac{10}{81}\approx 0.12345679
x=\frac{0±\frac{2\sqrt{15}}{9}}{\frac{20}{81}}
x=
81
20
0±
9
2
15
view step
x=\frac{0±\frac{2\sqrt{15}}{9}}{\frac{20}{81}}
±
x=\frac{9\sqrt{15}}{10}
x=
10
9
15
view step
x=\frac{0±\frac{2\sqrt{15}}{9}}{\frac{20}{81}}
±
x=-\frac{9\sqrt{15}}{10}
x=−
10
9
15
view step
x=\frac{9\sqrt{15}}{10}
x=
10
9
15
x=-\frac{9\sqrt{15}}{10}
x=−
10
9
15
SOURCE : MICROSOFT MATHS SOLVER