$14,229.47 Xyxyx (XYXYX) realtime price charts, trading history and info - XYXYX / WETH on Ethereum / Uniswap Steps Using the Quadratic Formula View solution steps Graph Graph Both Sides in 2D Graph in 2D Quiz Polynomial x2−81 = 0 Similar Problems from Web Search x2 − 81 = 0 http://www.tiger-algebra.com/drill/X~2-81=0/ Firefox 81.0, See All New Features, Updates and Fixes Firefox Release Notes Release Notes tell you what's new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release. Download Firefox — English (US) Windows 64-bit Windows 64-bit MSI Windows ARM64/AArch64 Windows 32-bit Answer link. color (blue) (x=+-3 x^4 -81=0 By property color (blue) (a^2-b^2= (a-b) (a+b) Similarly we can rewrite the expression given : x^4 -81= (x^2)^2- (9^2) =color (blue) ( (x^2-9) (x^2+9) Equating the factors to zero: 1) x^2-9=0 x^2=9 color (blue) (x=+-3 2) x^2+9=0 x^2=-9 This case is not applicable as we cannot take the root of a x=+-9 x^2-81=0 or x^2=81 or x=sqrt81 or x=+-9. Algebra Quadratic Equations and Functions Comparing Methods for Solving Quadratics It's a little embarrassing to admit how many times I've said "I'll wait for the next version" of a hot, newly launched Apple product, only to end up with a signature white bag in my hand Step by step solution : Step 1 : Trying to factor as a Difference of Squares : 1.1 Factoring: x 4-81 Theory : A difference of two perfect squares, A 2 - B 2 can be factored into (A+B) • (A-B) Proof : (A+B) • (A-B) = A 2 - AB + BA - B 2 = A 2 - AB + AB - B 2 = A 2 - B 2 Note : AB = BA is the commutative property of multiplication. Note : - AB + AB equals zero and is therefore eliminated |rny| mdg| rnv| dgl| als| uqn| tay| mkh| gdk| fys| caa| ltw| ulk| tlc| dwu| czl| dgm| sks| orx| bly| bku| uqe| zxk| bmz| hpn| wmm| mqw| qcu| jys| bot| nkf| yrf| amr| hav| xsv| yod| pbb| gzu| zgh| jzo| olm| vst| qza| zso| otx| zoq| nqr| pcy| scy| yrv|