Factorize 2x square - 7x - 15 by splitting the middle term. send the pic of solution for more understanding !!!
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2x^2-7x-15
=2x^2 -10x +3x - 15
=2x(x-5)+3(x-5)
=(2x+3)(x-5)
x=-3/2 , 5
=2x^2 -10x +3x - 15
=2x(x-5)+3(x-5)
=(2x+3)(x-5)
x=-3/2 , 5
Anonymous:
send the picture of the solution for a better understanding !!!
i have solved it on mobile only not in n.b. , try it yourself it is very easy
ok
Answered by
0
Step-by-step explanation:
2x²-7x-15
=2x²-(10-3)x-15 15×2=30 sudtract
=2x²-10x+3x-15 = 10×3=30 =10-3=7✅
=(2x²-10x)+(3x-15) = 15×2=30 =15-2=13❎
=2x(x-5)+3(x-5)
=(x-5)(2x+3) {ans}
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