What Are You Waiting For?
Sign In or Sign Up Now to begin your journey with us!
Invite your friends now. the more the merrier! Invite your friend to connect with each other.
:: Movie Contest Update ::
This contest has been closed.
Sign in or sign up
now to tell your friend about your referrer ID for use upon their registration. Cheers.
Weekly movie voucher contest is closed.
Maberlee weekly movie voucher contest is ended. Last pair of movie vouchers have been given out.
View past contest winners
Two natural numbers differ by 4 and the sum of their squares is 58 . Find the numbers
October 24, 2015 at 2:28pm
let number 1 be x and number 2 be (x + 4). [ieqn]x^2+(x+4)^2=58[/ieqn] [ieqn]x^2+x^2+8x+16=58[/ieqn] [ieqn]2x^2+8x-42=0[/ieqn] [ieqn]x^2+4x-21=0[/ieqn] [ieqn](x+7)(x-3)=0[/ieqn] x = -7(N.A), 3 Number 1 = 3 Number 2 = 3 + 4 = 7
October 25, 2015 at 9:15am
Sign In or Sign Up
to reply to this post.
. All rights reserved. A Tian En Chong Forest production.