Question

for the quadratic equation x2+10x-7=0​

Answer 1

Answer:

1. A=1,B=10,C=7 thise is the answers

Answer 2

$\huge\underbrace{\orange{\bf{\diamond\; Solution:}}}$

Given,

Quadratic Equation ☞ x²+10x-7 = 0

The Q.E is in the form of "ax²+bx+c = 0"

So, a = 1,b = 10 & c = -7

By Using $\green{\bf{Dharya\;Charya\; Formula}}$

$\boxed{\sf{x = \frac { - b \pm \sqrt{ b^2 - 4ac } } { 2a}}}$

$→\;\Large{\sf{\frac{-10±\sqrt{10²-4(1)(-7)}}{2(1)}}}$

$→\;\Large{\sf{\frac{-10±\sqrt{100+28}}{2}}}$

$→\;\Large{\sf{\frac{-10±\sqrt{128}}{2}}}$

$→\;\Large{\sf{\frac{-10±\sqrt{64×2}}{2}}}$

$→\;\Large{\sf{\frac{-10±\sqrt{64}\sqrt{2}}{2}}}$

$→\;\Large{\sf{\frac{-10±8\sqrt{2}}{2}}}$

.:. The Roots of "x²+10x-7 = 0" are

◕➜ $\Large\red{\sf{\frac{-10+8\sqrt{2}}{2}}}$

◕➜ $\Large\green{\sf{\frac{-10+8\sqrt{2}}{2}}}$

Hope It Helps You ✌️