if(5x-4)(3x+7)=15x²-ax-b find the value of a &b
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(5x-4)(3x+7)=15x^2 +35x-12x-28
=15x^2+23x-28
a=-23
b=28
=15x^2+23x-28
a=-23
b=28
sahilsumly:
Thanks
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hope this will help uh...!
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Thanks
wlcm...!
-ax=23x that means a=-23 not 23
and there is another wrong
-4*7 = (-28) not (+28)
hmm u noo na dn allright...! n thnx for showing my mistakes
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